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Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com Sudoku Puzzle 1 Sudoku Puzzle 2 1 6 7 5 4 6 3 1 7 9 4 9 53 2 267 2 4 8 6 9 8 1 2 1 4 7 96 3 8 2 1 53 5 7 8 4 8 3 1 3 6 4 1 9 2 8 http://36dimotiko.blogspot.com

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Page 1: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

1 6 7 54 6

3 1 7 9 4

9 5 3 2

2 6 7 2 4 8

6 9 8 1 2

1 4 7 9 6

3 8 2 1 5 35 7 84 8 3 1 3 6 4

1 9 2 8

http://36dimotiko.blogspot.com

Page 2: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

5 4 9 7 8

4 5 3 2 5

6 41 2 8 7

9 5 3 2

7 8 3 5

1 6 5 4 8 5 6 2 2

4 3 9 8 75 2 7 4 1 7 3 1 8 4

Page 3: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

5 3 11 2 4 5

4 5 62 3 5 9 6

7 43 9

1 6 9

5 7

2 1 7 7 3 5

1 3 6 1 8 2

3 8 5 9 6 2 4 4 7 1 9 8

Page 4: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

9 3 45 2 7 3 9

5 8 2 1 71 6 4

8 91 2

8 7 5 4

1 3 7 8 4 9 5 6

9 3 1 8 3 2 9 2 7 6 4 5 8

7 8 1

Page 5: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

1 9 4 2 1

7 5 4 63 8 7 6 5

5 4 2 3 1

5 7 88 9 7

9 3 81 3 7 7 5 9 7 3 7 5 8 6 2 8 6 5 1 2 6 6 3 1

Page 6: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

9 6

5 3 2 8 6 7 9 3

1 94 8

7 6 12 7

4 8 2

6 38 7 2 1 8 7 2

1 2 5 9 6 3 8 4 7

5 4 9 8 2 8

Page 7: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

1 5 9

4 9 3 75 7 1

1 3 6 2 2

7 9 4 13

6 4 2

4 7 5 2 9 1

8 6 1 56 2 8 1 7 6 9

5 3 1

1 6 4 3 7

Page 8: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

6 12 8

5 3 3 5

4 2 6 5 78 6

85 1 2

9 5 7 6

6 55 4 8 3 1 2 4 6 7 8 5

3 7 9 4 1 8 9 5 7 1 5 3 8

Page 9: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

2 4 9

4 2 3 7 8

7 5 9 65 7 81 6

9 1 4 58 6 3 1

8 4 3 1 4 9 3 6 1 8 1 2 3

5 9 8 7 5 9 3 2 9 4 1 6

Page 10: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

1 9 6 3 8 7 2 4 5 8 4 7 5 9 2 6 1 3 3 2 5 1 6 4 7 9 8 2 3 8 7 1 6 9 5 4 9 6 1 4 5 3 8 2 7 5 7 4 8 2 9 3 6 1 4 8 2 6 7 1 5 3 9 7 1 9 2 3 5 4 8 6 6 5 3 9 4 8 1 7 2

9 1 5 6 4 3 8 7 28 4 7 1 5 2 3 9 63 2 6 8 9 7 1 4 52 6 1 4 8 9 5 3 75 3 9 2 7 6 4 8 14 7 8 3 1 5 6 2 96 8 4 7 2 1 9 5 37 5 3 9 6 8 2 1 41 9 2 5 3 4 7 6 8

3 1 5 8 4 6 7 2 92 9 6 3 1 7 4 8 57 8 4 5 2 9 6 1 39 4 8 7 3 1 2 5 66 3 7 2 5 8 9 4 11 5 2 6 9 4 8 3 78 2 1 9 6 5 3 7 45 6 3 4 7 2 1 9 84 7 9 1 8 3 5 6 2

9 6 4 1 2 5 7 3 8 1 3 2 7 8 9 6 5 4 7 8 5 6 3 4 2 9 1 8 7 6 3 1 2 9 4 5 4 2 3 5 9 8 1 7 6 5 9 1 4 7 6 8 2 3 3 5 9 8 6 7 4 1 2 6 4 7 2 5 1 3 8 9 2 1 8 9 4 3 5 6 7

5 8 7 4 6 9 3 1 21 9 6 7 2 3 4 8 53 4 2 1 8 5 7 6 92 3 5 8 9 4 6 7 19 7 8 5 1 6 2 4 36 1 4 3 7 2 9 5 87 5 9 2 4 1 8 3 68 6 3 9 5 7 1 2 44 2 1 6 3 8 5 9 7

4 2 5 3 1 8 6 7 96 9 8 2 7 4 3 5 11 3 7 6 5 9 8 4 27 4 6 1 8 5 9 2 33 8 2 9 6 7 4 1 55 1 9 4 2 3 7 8 68 6 1 7 9 2 5 3 49 5 3 8 4 1 2 6 72 7 4 5 3 6 1 9 8

9 7 1 8 6 3 5 2 4 5 6 4 2 9 7 3 8 1 3 2 8 5 4 1 7 6 9 6 9 5 4 3 8 2 1 7 8 1 2 7 5 9 6 4 3 7 4 3 6 1 2 9 5 8 4 5 7 3 8 6 1 9 2 1 3 6 9 2 4 8 7 5 2 8 9 1 7 5 4 3 6

4 8 6 5 1 9 3 2 72 3 1 7 6 8 4 9 55 7 9 2 4 3 8 1 69 2 5 8 7 4 1 6 36 4 3 1 9 5 7 8 28 1 7 3 2 6 9 5 43 5 2 4 8 1 6 7 91 6 4 9 5 7 2 3 87 9 8 6 3 2 5 4 1

2 6 1 9 7 3 5 8 43 8 4 5 6 2 1 9 77 9 5 1 8 4 2 6 35 3 6 2 4 9 8 7 14 7 2 6 1 8 9 3 59 1 8 7 3 5 4 2 68 2 7 4 5 6 3 1 96 5 9 3 2 1 7 4 81 4 3 8 9 7 6 5 2

Page 11: Challenging

Challenging Sudoku Puzzles - Book 1 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

7 5 9 2 3 1 8 4 6 1 8 3 4 5 6 9 7 2 6 2 4 7 8 9 5 1 3 8 9 2 6 4 7 1 3 5 4 6 5 3 1 2 7 8 9 3 7 1 5 9 8 6 2 4 2 1 8 9 6 4 3 5 7 9 3 7 1 2 5 4 6 8 5 4 6 8 7 3 2 9 1

8 2 9 5 1 4 7 6 37 1 4 3 6 8 5 2 95 3 6 9 2 7 8 4 16 7 1 8 4 9 2 3 53 5 2 6 7 1 4 9 89 4 8 2 3 5 1 7 62 9 5 7 8 6 3 1 41 6 3 4 5 2 9 8 74 8 7 1 9 3 6 5 2

9 6 7 2 4 5 1 3 88 5 1 3 7 6 2 4 93 4 2 1 9 8 6 7 54 7 3 8 5 2 9 6 11 2 5 9 6 7 3 8 46 8 9 4 1 3 7 5 22 3 6 5 8 1 4 9 75 1 4 7 3 9 8 2 67 9 8 6 2 4 5 1 3

3 7 2 8 4 1 5 6 9 9 6 1 5 2 7 8 3 4 5 8 4 9 3 6 1 2 7 6 5 8 7 9 4 3 1 2 1 9 3 6 5 2 7 4 8 4 2 7 3 1 8 9 5 6 7 3 5 2 6 9 4 8 1 2 4 9 1 8 3 6 7 5 8 1 6 4 7 5 2 9 3

2 1 9 5 8 4 6 7 37 5 3 2 6 9 4 1 88 4 6 1 3 7 9 2 56 2 7 3 9 5 8 4 19 8 1 4 7 6 3 5 24 3 5 8 2 1 7 6 95 9 2 7 4 3 1 8 63 7 8 6 1 2 5 9 41 6 4 9 5 8 2 3 7

8 6 3 9 5 7 2 1 44 2 9 1 6 3 5 7 87 1 5 2 8 4 3 9 63 8 6 7 4 5 1 2 91 9 4 3 2 6 8 5 75 7 2 8 9 1 4 6 32 4 1 6 3 9 7 8 56 5 7 4 1 8 9 3 29 3 8 5 7 2 6 4 1

4 3 8 1 7 9 6 5 2 5 9 2 4 8 6 1 7 3 7 6 1 3 2 5 9 4 8 2 5 4 6 9 3 8 1 7 1 8 6 2 5 7 4 3 9 3 7 9 8 4 1 5 2 6 6 4 3 7 1 8 2 9 5 8 2 5 9 3 4 7 6 1 9 1 7 5 6 2 3 8 4

7 9 3 5 1 8 6 2 48 6 5 7 2 4 1 3 94 2 1 6 9 3 7 8 56 4 2 8 3 9 5 1 71 7 8 4 5 2 9 6 33 5 9 1 7 6 2 4 85 1 6 3 4 7 8 9 29 3 7 2 8 1 4 5 62 8 4 9 6 5 3 7 1

8 6 2 7 1 5 9 4 37 4 9 3 8 6 1 5 21 5 3 4 2 9 8 7 69 3 6 1 4 7 5 2 84 1 8 6 5 2 3 9 75 2 7 9 3 8 4 6 16 7 1 5 9 3 2 8 43 8 5 2 6 4 7 1 92 9 4 8 7 1 6 3 5

Page 12: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

7 92 7 8 3

6 4 3 78

4 5 9 2 5

5 2 7 61 3 9

2 5

1 7 9 7 4 9 6 2

4 7 6 6 3 8 5 2 7 3 2 8 5 8 4 1

Page 13: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

4 1 7 9 5

3 2 71 8 25 1

8 7 6 4 5

2 66 5 9 8 2

7 2 5 9 6 7 1 8 5 9 4 1 8 7 9 3 1

5 3 4 8 7

Page 14: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

1 9 7 7 2 4 1 5 3

3 1 2 44 6

5 4 8 2

7 6 5 7 9

6 4 3 3 8 2 7 6

3 49 6 1 8 3 2 5 7 1 8

4 8 3

Page 15: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

4 3 5 2 3 9

5 1 6 4 3 1

1 2 78 3

3 9 6 42 7 8

6

4 2 7 3 6 5 6 7

7 4 5 1 8 6 4 2 5 2 5 9 1

6 3 1

Page 16: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

5 42 3 8 7 9 8 2

6 3 94 1 2

9 8 9 1 3

1 8 7 4

7 1 8 9 6

2 6 53 2 1 6 4 9 4 3 7 7 1 5 2

5 4 7

Page 17: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

1 78 3

2 4 6 8 2

9 3 7 5

7 3 62 8 9

5 1 2

1 6 5 7 5 3

2 1 93 8 2 6 7 9 1 9 5

5 2 3 7 9 9 4

Page 18: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

8 1 6 4

4 1 2 72

8 1 3 55 7

7 9 8 43

4 6 3

8 6 6 8 3 9

3 9 2 42 3 49 1 4 5 7 6 8 3 1 4

Page 19: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

7 4 5 6

5 83 7

1 4 8 3 6 4

5 9 1 1 8 5

6 4 3 2

8 4 1 32 6 7 1 4 2 5 6 9 5 3 3 1 9 7 3 4 6 8 3 9 5

Page 20: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

2 6 45

5 69 3 4 5

6 3 7 2 8 9

3 1 8 64 9

7 8

8 6 7 9 3 5

3 6 2 7 8 4 3 6 8 8 1 2 9

4 3 8 1 5

Page 21: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

4 3 1 6 5 7 8 2 9 2 9 7 8 1 3 5 6 4 5 8 6 4 2 9 1 3 7 6 2 9 5 8 1 7 4 3 3 4 5 9 7 6 2 1 8 1 7 8 2 3 4 6 9 5 8 5 3 1 9 2 4 7 6 7 1 4 3 6 5 9 8 2 9 6 2 7 4 8 3 5 1

2 4 5 8 1 7 9 3 63 6 1 9 2 5 8 7 48 7 9 3 4 6 5 1 24 2 7 5 9 8 1 6 35 9 6 1 7 3 4 2 81 3 8 2 6 4 7 5 96 8 3 4 5 1 2 9 79 1 4 7 3 2 6 8 57 5 2 6 8 9 3 4 1

5 8 4 1 3 7 2 6 97 6 2 4 9 8 1 5 31 3 9 2 6 5 4 7 83 9 1 7 4 6 8 2 56 4 5 8 2 1 9 3 78 2 7 9 5 3 6 4 19 7 3 6 8 2 5 1 42 5 8 3 1 4 7 9 64 1 6 5 7 9 3 8 2

8 1 7 4 3 9 2 5 6 4 9 3 6 2 5 8 1 7 6 5 2 7 1 8 9 3 4 3 6 5 2 9 4 1 7 8 2 7 8 1 5 6 4 9 3 1 4 9 3 8 7 6 2 5 7 3 6 9 4 2 5 8 1 5 2 1 8 6 3 7 4 9 9 8 4 5 7 1 3 6 2

4 1 9 8 3 5 7 6 23 5 6 7 9 2 4 1 87 8 2 1 4 6 5 9 36 3 1 2 8 7 9 4 58 9 4 5 6 3 2 7 15 2 7 9 1 4 8 3 69 4 8 6 5 1 3 2 71 7 3 4 2 8 6 5 92 6 5 3 7 9 1 8 4

6 1 9 2 4 3 5 8 77 5 3 8 6 9 4 2 18 2 4 7 1 5 3 6 93 6 1 9 7 8 2 4 59 7 2 4 5 6 8 1 35 4 8 3 2 1 9 7 61 3 6 5 8 2 7 9 42 9 7 6 3 4 1 5 84 8 5 1 9 7 6 3 2

2 4 9 3 7 8 5 1 6 1 7 6 4 2 5 8 3 9 3 8 5 9 1 6 2 4 7 4 3 7 5 9 1 6 8 2 8 9 1 6 3 2 4 7 5 5 6 2 8 4 7 1 9 3 7 2 8 1 5 3 9 6 4 9 1 3 2 6 4 7 5 8 6 5 4 7 8 9 3 2 1

5 7 6 9 1 8 4 2 38 1 4 2 7 3 9 6 52 9 3 6 5 4 8 1 77 4 5 8 3 6 2 9 13 2 8 7 9 1 5 4 69 6 1 4 2 5 3 7 81 5 2 3 4 7 6 8 94 8 7 5 6 9 1 3 26 3 9 1 8 2 7 5 4

6 1 5 3 8 2 9 4 72 3 8 7 4 9 5 6 17 9 4 5 1 6 3 8 21 8 2 4 6 3 7 5 94 6 9 1 5 7 2 3 83 5 7 2 9 8 6 1 48 4 6 9 2 5 1 7 39 7 1 6 3 4 8 2 55 2 3 8 7 1 4 9 6

Page 22: Challenging

Challenging Sudoku Puzzles - Book 10 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

6 5 3 4 2 7 1 9 8 7 8 4 5 9 1 6 3 2 2 9 1 3 8 6 4 5 7 3 6 7 2 4 9 5 8 1 8 1 2 7 6 5 3 4 9 9 4 5 8 1 3 2 7 6 4 7 6 1 5 8 9 2 3 5 3 9 6 7 2 8 1 4 1 2 8 9 3 4 7 6 5

6 1 9 8 3 5 4 7 28 2 4 9 1 7 6 3 55 3 7 2 4 6 9 8 19 8 5 4 6 3 2 1 72 4 1 7 8 9 5 6 33 7 6 5 2 1 8 9 44 9 8 1 7 2 3 5 61 6 2 3 5 8 7 4 97 5 3 6 9 4 1 2 8

9 3 4 1 2 6 5 7 81 7 5 9 8 4 2 3 62 6 8 7 5 3 1 4 93 5 7 6 4 1 9 8 24 2 6 8 7 9 3 5 18 1 9 2 3 5 4 6 75 8 2 3 1 7 6 9 46 4 1 5 9 8 7 2 37 9 3 4 6 2 8 1 5

7 8 5 2 1 4 3 9 6 2 3 6 9 7 8 5 1 4 9 4 1 3 6 5 2 8 7 4 9 3 6 5 2 8 7 1 8 6 7 1 3 9 4 5 2 5 1 2 4 8 7 9 6 3 6 7 9 8 2 3 1 4 5 3 5 8 7 4 1 6 2 9 1 2 4 5 9 6 7 3 8

8 2 5 3 9 4 1 7 64 6 7 1 5 8 3 9 23 1 9 6 2 7 8 4 52 5 3 8 7 9 4 6 19 8 1 4 6 3 2 5 77 4 6 2 1 5 9 8 31 9 2 7 4 6 5 3 85 7 8 9 3 2 6 1 46 3 4 5 8 1 7 2 9

7 5 2 8 6 4 9 1 31 8 4 9 3 5 6 2 76 3 9 1 2 7 5 8 43 4 8 7 1 6 2 5 92 1 5 4 9 8 3 7 69 7 6 3 5 2 8 4 15 9 3 2 7 1 4 6 84 2 1 6 8 3 7 9 58 6 7 5 4 9 1 3 2

8 4 9 2 1 5 3 6 7 2 5 6 7 8 3 1 9 4 3 1 7 4 6 9 2 5 8 7 8 4 6 2 1 9 3 5 5 9 2 8 3 7 4 1 6 6 3 1 5 9 4 8 7 2 9 2 8 1 5 6 7 4 3 1 7 5 3 4 2 6 8 9 4 6 3 9 7 8 5 2 1

7 5 2 9 6 3 8 1 46 9 4 5 1 8 7 2 33 8 1 7 2 4 9 5 69 1 7 3 4 2 6 8 55 6 3 8 7 1 4 9 22 4 8 6 9 5 3 7 14 3 5 1 8 9 2 6 78 2 6 4 5 7 1 3 91 7 9 2 3 6 5 4 8

8 6 5 2 1 7 3 9 42 9 7 3 8 4 6 1 53 1 4 6 5 9 2 7 86 5 2 7 9 8 4 3 17 8 3 1 4 2 9 5 61 4 9 5 3 6 7 8 25 7 8 4 6 3 1 2 94 3 1 9 2 5 8 6 79 2 6 8 7 1 5 4 3

Page 23: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

5 1 4 7 1 8

6 8 5

7 2 94 5 1 2

1 3 1 7 4 83 8

9 4 2 1

7 5 6 8 7 1 5 6 3 8 5 4

4 6 5 8 5 7 3

Page 24: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

4 78 5

9 7 8 4 38 9 4 6

8 5 2 7

4 1 92 1 3

9

6 25 8 8 3 9

1 5 9 7 4 9 7 5 1

3 6 2 5 1 8 3 1 7

Page 25: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

6 8 3 9 5

3 17 1 2 9

6 1 8 3 4 9

1 2 3 4 51 5 9

8 3 2

6 7 9 8 3 5 6 4 6 8

3 8 71 4 5 4 1 2 3 7

Page 26: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

3 4 2 9 7 6 56 8 31 3 6

9 5 4 1 3 7 4

4 6 1 3 2 9

2 8 8 2 7 3 6 7 8 7 4 9

4 6 5 2 3 5 1

1 45 4 8

Page 27: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

3 8 7 41 3 6 9 7

8 7 69 2 8 1

5 2 8

6 4 1 5 3

9 3 7 8 5 2 1 7 2 4 6

2 6 8 5 3 9 8 9 6

7 5 1 3

Page 28: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

6 8 37 6 5 7 4

1 49 2

5 6 4 23 1 7

8 5 7 2 1 9

8 2 5 6 1 7 3 6

4 1 6 9 8 7

3 6 4 9 1 2 9 4 6 7

6 5

Page 29: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

1 28 5 9 4

9 6 7

4 7 1 5 3

9 2 63 1 28 7

3 1 7 1 2 9 3 4 8

6 1 59 8 4 6 9 5 7 4 8 2 1 5 3

Page 30: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

7 2 6 54 3

2 8 8 1 5

2 9 6 7 9 6

9 3 7 21 7 4 3

3 9 7 7 5 8 1 2 5

7 4 2 1 4 8 5 9 3 2 7 8 6 3 9

Page 31: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

1 7 6 2 39 6 7

7 4 5

6 3 8 9 17 2 5 3

6 3 7 4 7 9

5 9 4 7 82 8 4 9

8 9 6 4 8 1 5 3 4 5 2 8 8 6 1 7 5

Page 32: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

5 4 1 6 7 8 2 9 3 6 2 3 9 4 5 7 1 8 7 9 8 3 2 1 6 5 4 3 8 2 4 9 7 1 6 5 1 6 7 5 8 2 4 3 9 4 5 9 1 6 3 8 2 7 8 7 5 2 1 9 3 4 6 9 1 6 7 3 4 5 8 2 2 3 4 8 5 6 9 7 1

6 3 9 4 5 1 8 2 72 1 8 3 9 7 6 5 47 5 4 6 8 2 1 3 98 7 1 9 2 3 5 4 65 4 3 1 7 6 2 9 89 2 6 5 4 8 7 1 34 6 7 2 1 9 3 8 53 9 2 8 6 5 4 7 11 8 5 7 3 4 9 6 2

6 2 4 1 9 3 8 5 73 8 5 7 4 2 9 1 69 1 7 5 6 8 4 3 27 3 8 9 2 4 5 6 11 6 2 8 5 7 3 4 95 4 9 6 3 1 2 7 84 7 3 2 8 6 1 9 52 9 6 4 1 5 7 8 38 5 1 3 7 9 6 2 4

7 1 6 9 3 5 4 8 2 5 3 9 4 2 8 6 7 1 2 8 4 1 7 6 3 5 9 1 6 2 8 5 3 9 4 7 8 4 3 2 9 7 1 6 5 9 7 5 6 4 1 2 3 8 3 9 8 7 6 2 5 1 4 6 2 7 5 1 4 8 9 3 4 5 1 3 8 9 7 2 6

6 7 1 5 4 8 3 9 24 3 9 6 1 2 5 7 85 8 2 9 3 7 4 6 17 1 8 4 2 5 6 3 99 2 6 1 7 3 8 4 53 4 5 8 9 6 2 1 78 6 7 3 5 1 9 2 42 9 3 7 8 4 1 5 61 5 4 2 6 9 7 8 3

8 4 5 1 7 3 9 2 69 3 1 2 6 8 7 5 46 2 7 4 5 9 8 3 17 1 9 5 8 6 2 4 34 5 2 7 3 1 6 8 93 6 8 9 2 4 5 1 71 7 6 8 4 2 3 9 55 8 4 3 9 7 1 6 22 9 3 6 1 5 4 7 8

3 8 5 4 6 2 9 1 7 4 2 7 9 3 1 8 6 5 1 9 6 8 5 7 4 2 3 9 7 1 5 4 8 2 3 6 2 3 8 7 9 6 5 4 1 5 6 4 1 2 3 7 8 9 7 1 2 3 8 9 6 5 4 8 4 9 6 1 5 3 7 2 6 5 3 2 7 4 1 9 8

8 1 2 3 6 5 7 9 43 7 5 9 1 4 2 6 86 4 9 8 2 7 5 1 39 5 1 6 8 2 4 3 72 8 7 4 3 1 9 5 64 6 3 5 7 9 8 2 17 3 4 2 5 6 1 8 91 2 8 7 9 3 6 4 55 9 6 1 4 8 3 7 2

7 9 3 2 5 4 1 6 85 6 8 1 7 9 3 4 24 2 1 3 6 8 5 9 78 1 4 9 3 5 7 2 69 3 6 7 4 2 8 5 12 7 5 8 1 6 4 3 93 4 7 6 9 1 2 8 56 5 2 4 8 7 9 1 31 8 9 5 2 3 6 7 4

Page 33: Challenging

Challenging Sudoku Puzzles - Book 2 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

1 9 2 3 6 7 8 5 4 6 8 5 9 2 4 3 1 7 3 4 7 8 1 5 2 9 6 5 7 4 2 9 3 1 6 8 2 1 9 6 4 8 5 7 3 8 3 6 5 7 1 4 2 9 4 2 1 7 8 6 9 3 5 9 6 3 4 5 2 7 8 1 7 5 8 1 3 9 6 4 2

1 9 4 6 5 8 2 3 77 6 3 2 4 9 5 1 85 2 8 1 7 3 6 9 42 8 1 3 6 7 9 4 54 7 9 5 8 2 3 6 13 5 6 9 1 4 8 7 29 4 2 8 3 1 7 5 68 1 5 7 9 6 4 2 36 3 7 4 2 5 1 8 9

5 8 6 1 7 9 4 2 32 4 9 3 5 6 8 1 77 1 3 8 2 4 5 9 64 7 1 2 6 8 3 5 99 2 8 7 3 5 6 4 13 6 5 4 9 1 7 8 28 3 7 5 1 2 9 6 41 9 4 6 8 7 2 3 56 5 2 9 4 3 1 7 8

5 6 3 4 1 7 9 2 8 8 1 7 2 5 9 6 4 3 4 9 2 6 8 3 1 7 5 3 2 8 1 4 5 7 9 6 9 5 4 3 7 6 2 8 1 6 7 1 8 9 2 5 3 4 1 4 5 9 2 8 3 6 7 7 3 9 5 6 4 8 1 2 2 8 6 7 3 1 4 5 9

4 2 6 8 5 7 9 3 15 8 7 1 3 9 4 2 61 9 3 6 2 4 7 5 86 1 8 7 4 2 3 9 59 3 2 5 1 8 6 4 77 5 4 9 6 3 1 8 22 6 1 3 9 5 8 7 43 7 5 4 8 6 2 1 98 4 9 2 7 1 5 6 3

7 5 1 4 9 3 2 6 82 3 8 6 1 7 4 9 54 6 9 8 5 2 7 3 19 2 3 7 8 6 5 1 48 7 6 1 4 5 3 2 91 4 5 2 3 9 6 8 73 8 7 5 2 1 9 4 65 9 4 3 6 8 1 7 26 1 2 9 7 4 8 5 3

8 3 9 7 2 6 4 1 5 2 7 4 5 1 8 6 9 3 5 1 6 3 4 9 7 8 2 3 6 2 1 9 7 8 5 4 7 9 5 4 8 2 1 3 6 4 8 1 6 5 3 9 2 7 6 5 8 9 3 4 2 7 1 9 4 3 2 7 1 5 6 8 1 2 7 8 6 5 3 4 9

5 4 1 9 7 8 6 2 33 8 9 6 5 2 4 1 77 6 2 4 1 3 8 9 52 3 4 7 9 1 5 8 66 1 5 3 8 4 9 7 28 9 7 5 2 6 3 4 19 7 8 2 6 5 1 3 44 2 6 1 3 9 7 5 81 5 3 8 4 7 2 6 9

3 5 9 4 6 1 7 2 82 4 1 9 8 7 5 6 36 7 8 3 5 2 4 9 18 1 5 7 4 9 6 3 27 2 4 8 3 6 9 1 59 6 3 2 1 5 8 7 41 9 7 5 2 8 3 4 64 8 6 1 7 3 2 5 95 3 2 6 9 4 1 8 7

Page 34: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

9 5 71 4 5 2

2 5

3 1 6 9 5 7 3

1 82 7 3

3 2 8

8 7 4 34 2 13 5 9 9 4 5 2 1 7 5 4 8 7 1 6 7 3

Page 35: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

9 6 8 7 3 1

4 7 9 31 5

2 3 9 58 2 6

3 2 96 5 7

5 3

6 8 9 2 8 9 8 3 2 1

4 5 9 3 2 1 5 8 6

5 2 9 7 6 4

Page 36: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

9 52

4 5 26 8 7 1

1 9 2 9 3

5 7 3 6 7

8 2 1

7 2 8 51 2 3 1 6

4 2 6 5 7 9 6

3 1 8

6 1 78 4 2

Page 37: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

1 7 33 9

7 2 8

6 2 1 9 4 7 2

5 6 2 8 1

9 4 5

4 5 9 8 1 7 1 9 3 5 8 2 6 7 2 5 9 7

5 4 6

Page 38: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

6 35 3 7

1 2 4 5 5 3 89 2 6 1

53 7 47 4 1

1

9 2 4

4 5 6 1 3 9 6 8 5 9 7 8 2 3 5 7 8

5 1 4

Page 39: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

98 3 6

3 7 5 2 4 1

6 3 2 81 6 7 4

7 9 4 5 8

1

3 7 5 9 4 9 8 2 2 1 9 7

5 4 3 8 4

2 6 4 8 9

Page 40: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

2 7 5 9 8 6 3 7

4 2

2 5 3 6 7 4 9

8 5 1 9 3

2 1 7

3 4 82 9 6 5 5 1 9 3 8

3 6 1 4 1

6 9 4 5 1 8 5 9

Page 41: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

2 1 6 8 56 9

8 31 8 67 9 18 3 9 6

2 3 75 7

4

8 1 4 55 7 3 4 6 8 7 4 2 1 5 3 6 6 1 5 8 3 4 9

Page 42: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

1 2 8 1 5

97 6 8

7 2 6 4 7

9 8 1 3 3 2 9

4 5 7

7 2 4 9 3 8 3 7 2 6 5 9 2 4 7 6 5 3 2 7 6 8 4 1

Page 43: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

2 3 8 1 6 9 4 5 7 6 1 4 3 5 7 9 8 2 5 7 9 8 4 2 1 6 3 8 4 1 9 3 6 7 2 5 7 2 3 5 8 1 6 9 4 9 5 6 2 7 4 8 3 1 4 9 5 6 1 3 2 7 8 1 8 2 7 9 5 3 4 6 3 6 7 4 2 8 5 1 9

8 7 1 5 9 6 4 2 34 9 6 3 2 8 7 5 13 2 5 7 4 1 9 8 62 6 9 8 1 4 5 3 77 5 4 6 3 2 8 1 91 3 8 9 7 5 6 4 26 4 3 2 5 9 1 7 85 8 7 1 6 3 2 9 49 1 2 4 8 7 3 6 5

9 1 2 6 3 8 7 5 47 3 6 9 4 5 1 2 85 8 4 7 2 1 6 9 31 6 3 4 5 2 9 8 78 2 7 3 9 6 4 1 54 9 5 8 1 7 2 3 63 7 1 2 8 4 5 6 96 5 8 1 7 9 3 4 22 4 9 5 6 3 8 7 1

6 8 4 3 5 9 2 7 1 7 5 9 1 2 4 6 3 8 1 3 2 8 6 7 5 9 4 9 1 8 6 3 2 7 4 5 3 2 6 7 4 5 8 1 9 4 7 5 9 8 1 3 2 6 2 9 1 5 7 8 4 6 3 5 4 3 2 1 6 9 8 7 8 6 7 4 9 3 1 5 2

9 8 3 7 2 6 1 4 55 4 2 1 9 3 8 6 76 7 1 4 5 8 9 3 23 5 6 8 4 2 7 9 17 1 8 5 6 9 4 2 32 9 4 3 1 7 6 5 84 6 5 2 7 1 3 8 91 3 9 6 8 5 2 7 48 2 7 9 3 4 5 1 6

9 7 6 4 3 2 8 5 11 4 5 9 6 8 7 2 32 3 8 5 1 7 6 9 44 9 7 3 2 6 5 1 85 8 1 7 4 9 2 3 63 6 2 8 5 1 4 7 97 1 3 2 8 4 9 6 56 2 4 1 9 5 3 8 78 5 9 6 7 3 1 4 2

8 1 9 6 2 7 4 5 3 6 3 5 4 1 8 2 7 9 7 4 2 3 5 9 6 8 1 2 7 1 8 6 3 5 9 4 4 9 6 2 7 5 1 3 8 5 8 3 1 9 4 7 2 6 1 5 7 9 3 6 8 4 2 3 2 4 5 8 1 9 6 7 9 6 8 7 4 2 3 1 5

1 4 5 3 2 9 7 8 69 2 6 8 7 1 4 5 37 3 8 6 5 4 2 1 94 9 1 7 8 2 3 6 56 5 7 4 9 3 1 2 83 8 2 1 6 5 9 4 78 7 4 2 3 6 5 9 12 6 9 5 1 7 8 3 45 1 3 9 4 8 6 7 2

8 6 2 5 1 9 4 3 74 5 3 6 8 7 2 1 91 7 9 3 2 4 5 6 85 4 6 9 7 1 3 8 29 3 8 2 6 5 7 4 12 1 7 4 3 8 9 5 63 2 5 8 9 6 1 7 47 8 4 1 5 2 6 9 36 9 1 7 4 3 8 2 5

Page 44: Challenging

Challenging Sudoku Puzzles - Book 3 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

2 6 3 1 8 5 4 9 7 9 1 7 2 4 6 8 3 5 4 8 5 9 7 3 6 2 1 8 3 9 6 5 1 7 4 2 7 4 1 8 3 2 5 6 9 6 5 2 4 9 7 1 8 3 1 2 4 7 6 9 3 5 8 3 7 8 5 2 4 9 1 6 5 9 6 3 1 8 2 7 4

6 8 2 1 5 3 4 7 91 7 5 9 8 4 3 6 23 4 9 2 6 7 5 1 85 2 7 4 9 8 1 3 69 6 4 7 3 1 2 8 58 1 3 6 2 5 7 9 47 3 6 8 4 2 9 5 14 9 1 5 7 6 8 2 32 5 8 3 1 9 6 4 7

3 8 7 9 5 2 1 6 44 9 2 6 8 1 5 7 36 1 5 4 7 3 9 8 27 4 1 8 3 5 6 2 98 3 6 2 1 9 4 5 75 2 9 7 4 6 3 1 89 7 3 5 6 8 2 4 12 5 8 1 9 4 7 3 61 6 4 3 2 7 8 9 5

3 2 4 1 7 5 6 8 9 1 5 9 8 6 2 3 7 4 8 7 6 4 9 3 2 5 1 9 4 7 5 1 6 8 2 3 2 8 5 9 3 4 7 1 6 6 3 1 7 2 8 4 9 5 4 9 8 3 5 7 1 6 2 7 1 2 6 4 9 5 3 8 5 6 3 2 8 1 9 4 7

1 3 5 4 2 7 8 9 62 8 4 9 6 1 5 3 77 6 9 3 8 5 4 2 15 9 7 2 4 6 3 1 83 2 6 1 5 8 9 7 48 4 1 7 9 3 2 6 56 1 8 5 3 9 7 4 29 5 2 6 7 4 1 8 34 7 3 8 1 2 6 5 9

2 1 3 6 7 4 8 5 94 8 6 5 3 9 1 7 29 7 5 1 2 8 4 3 61 5 4 7 8 2 9 6 37 6 9 3 4 5 2 1 88 3 2 9 1 6 7 4 56 4 8 2 5 1 3 9 75 2 7 4 9 3 6 8 13 9 1 8 6 7 5 2 4

3 9 8 1 4 7 6 2 5 5 6 7 2 3 8 1 9 4 1 4 2 6 5 9 7 8 3 2 7 3 9 6 1 5 4 8 9 5 6 4 8 3 2 7 1 4 8 1 7 2 5 3 6 9 7 2 9 3 1 4 8 5 6 6 1 5 8 9 2 4 3 7 8 3 4 5 7 6 9 1 2

1 3 9 7 5 2 6 4 88 7 6 9 4 3 2 1 54 5 2 1 6 8 7 3 97 4 5 3 2 6 9 8 19 8 3 4 7 1 5 2 62 6 1 8 9 5 4 7 35 9 8 2 1 4 3 6 73 2 7 6 8 9 1 5 46 1 4 5 3 7 8 9 2

1 5 7 9 2 6 8 4 34 9 2 8 3 7 1 6 56 8 3 1 4 5 7 2 97 6 8 4 5 9 3 1 23 1 9 6 7 2 4 5 85 2 4 3 1 8 9 7 68 4 1 5 6 3 2 9 72 3 5 7 9 1 6 8 49 7 6 2 8 4 5 3 1

Page 45: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

9 3 8 51 2 8

41 2 5

8 7 2 7 5 9 1

8 9 3 4

6 3 5

8 1 9 7 2 9 3 7 1 6 4 8 2

7 41 8 6 2 5 3 9 7 9 7

Page 46: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

2 4 1 6 5 9

1 6 76 7 9

4 5 3 1 6

5 7 6 2 3 5

4 8

8 9 3 1 8 5 7 4 9

6 5 4 3 9 5

7 9 2 7 4 4 2 8 6

Page 47: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

32 5 1 8

4 1 9 5 4 2 7

7 1 8 2 9

6 9 5

7 4 3 1

4 7 3 5 8 5 1 2 1 6

7 9 8 4 2 6 5 9 3 8 1 7 3 9

Page 48: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

1 3 27 4 9 3

6 9 6 5 3 4

8 1 4

9 15 8

3 7 2 9

1 6 1

7 8 4 3 51 3 6 9 5 2

9 2 7 4 1 2 3 4 9 3 7

Page 49: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

8 7 6 35 9 6 1 7 4

9 17 5 8

63 7 45 8

9 4 6

8 5 6 7 5 8 4 8 3

7 1 4 1 8 2 5 3 9 5 4 2 7 1

3 7 4

Page 50: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

7 6 9 3 4 8 6

9 1 2 6 9 3

8 5 3 8

3 8 6 7 8

6 1 2

9 5 3 2 3

3 9 6 8 6 1 4 9 8 2 2 6 5

1 4 8 5 1 9 3

Page 51: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

2 7 5 7 6 3 4

4 4 1

4 8 56 9

3 98 9

6 7 2

1 4 3 9 7 7 3 5 1 7 3 5 4 2 6 7 4

5 4 9 76 1 3 4 2

Page 52: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

6 9 33 8 45 9 3 8

1 8 7 3 9 4

9 1 5 8

4 67 2 6

9 4 3

6 5 4 8 9 2 9 8 1 7 8 3 1 9 8 6 6 5 6 3 1 7 2

Page 53: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

2 8 6 34

7 11 2 6

7 9 5 3 1 9

9 8 1 5 4

4 7

4 7 5 3 5 6 2 5 8

1 6 2 2 9 1 8 4 9 8 6 7 8 9 4

Page 54: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

4 9 6 7 3 8 1 2 5 1 7 5 2 4 6 3 8 9 3 2 8 9 1 5 7 6 4 6 3 1 4 8 2 9 5 7 9 8 4 1 5 7 2 3 6 7 5 2 3 6 9 4 1 8 5 4 7 8 2 1 6 9 3 8 1 9 6 7 3 5 4 2 2 6 3 5 9 4 8 7 1

8 1 6 3 9 7 2 5 45 2 9 6 4 8 3 7 13 7 4 2 5 1 9 6 86 4 3 7 1 5 8 2 97 9 5 8 3 2 1 4 61 8 2 9 6 4 7 3 52 6 1 5 8 3 4 9 74 5 7 1 2 9 6 8 39 3 8 4 7 6 5 1 2

9 7 2 4 6 8 3 5 11 8 6 5 7 3 9 4 23 4 5 1 9 2 6 7 88 2 1 6 3 7 5 9 44 6 9 2 5 1 7 8 37 5 3 9 8 4 1 2 65 3 8 7 4 6 2 1 96 1 7 8 2 9 4 3 52 9 4 3 1 5 8 6 7

4 7 5 8 6 9 1 2 3 9 2 3 4 1 7 8 5 6 1 8 6 3 5 2 7 4 9 6 3 9 5 8 1 2 7 4 2 1 8 7 4 3 6 9 5 7 5 4 9 2 6 3 8 1 8 9 7 6 3 5 4 1 2 5 6 2 1 7 4 9 3 8 3 4 1 2 9 8 5 6 7

5 8 9 7 4 6 1 3 27 3 2 5 1 8 4 6 94 1 6 9 3 2 8 7 59 5 1 4 6 3 2 8 72 6 7 8 9 1 5 4 33 4 8 2 5 7 9 1 66 9 3 1 8 5 7 2 41 7 4 3 2 9 6 5 88 2 5 6 7 4 3 9 1

1 4 7 8 9 6 5 3 26 2 9 5 4 3 8 1 73 8 5 7 1 2 9 4 62 1 8 6 7 9 4 5 37 9 6 3 5 4 1 2 85 3 4 1 2 8 6 7 99 7 3 4 8 1 2 6 54 6 2 9 3 5 7 8 18 5 1 2 6 7 3 9 4

6 8 5 4 1 9 3 2 7 7 4 9 3 2 8 5 6 1 1 3 2 6 7 5 9 8 4 2 6 7 5 8 3 1 4 9 8 1 4 9 6 7 2 3 5 5 9 3 1 4 2 6 7 8 9 5 6 8 3 4 7 1 2 4 2 1 7 5 6 8 9 3 3 7 8 2 9 1 4 5 6

5 9 4 1 3 6 7 2 82 3 6 8 5 7 9 4 17 8 1 9 4 2 3 5 61 2 3 5 6 9 8 7 44 6 7 3 1 8 5 9 29 5 8 2 7 4 6 1 33 7 2 4 8 5 1 6 96 1 9 7 2 3 4 8 58 4 5 6 9 1 2 3 7

8 7 9 5 4 6 1 2 34 5 2 3 1 9 6 8 73 6 1 2 7 8 9 4 56 2 8 4 9 5 7 3 11 4 3 7 6 2 5 9 87 9 5 1 8 3 4 6 25 8 6 9 3 1 2 7 42 3 7 6 5 4 8 1 99 1 4 8 2 7 3 5 6

Page 55: Challenging

Challenging Sudoku Puzzles - Book 4 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

8 5 4 1 6 3 9 7 2 9 2 7 5 4 8 6 3 1 1 6 3 2 7 9 5 4 8 2 4 8 7 1 5 3 6 9 7 3 5 9 2 6 1 8 4 6 1 9 3 8 4 2 5 7 4 7 2 6 3 1 8 9 5 5 8 6 4 9 2 7 1 3 3 9 1 8 5 7 4 2 6

7 4 6 1 5 8 3 2 99 1 2 3 4 7 8 5 65 3 8 9 6 2 1 7 44 7 1 5 2 6 9 3 88 5 3 7 9 1 4 6 22 6 9 8 3 4 7 1 53 8 4 2 7 5 6 9 11 2 7 6 8 9 5 4 36 9 5 4 1 3 2 8 7

7 9 1 5 8 6 3 4 26 4 2 7 1 3 8 5 93 8 5 9 2 4 7 6 12 3 8 6 5 7 9 1 45 1 7 4 9 2 6 3 89 6 4 8 3 1 2 7 54 2 3 1 6 9 5 8 71 5 9 3 7 8 4 2 68 7 6 2 4 5 1 9 3

3 2 8 4 7 5 1 9 6 9 5 7 6 3 1 8 2 4 4 6 1 2 8 9 5 3 7 7 3 5 9 2 4 6 1 8 2 4 9 8 1 6 7 5 3 1 8 6 7 5 3 9 4 2 6 1 2 5 4 8 3 7 9 8 7 3 1 9 2 4 6 5 5 9 4 3 6 7 2 8 1

8 5 6 2 1 4 7 3 93 1 7 9 6 8 2 5 44 9 2 7 3 5 6 8 11 7 8 3 5 6 9 4 29 6 5 4 7 2 3 1 82 3 4 8 9 1 5 6 75 4 3 1 2 9 8 7 66 2 1 5 8 7 4 9 37 8 9 6 4 3 1 2 5

1 2 8 5 6 4 9 7 33 6 7 9 8 1 5 4 25 9 4 3 2 7 6 1 87 4 5 8 1 9 2 3 62 8 6 7 3 5 1 9 49 3 1 6 4 2 8 5 76 5 3 4 9 8 7 2 18 1 9 2 7 3 4 6 54 7 2 1 5 6 3 8 9

9 8 1 2 7 5 4 3 6 7 4 3 9 6 8 5 2 1 6 5 2 3 1 4 7 8 9 1 3 6 4 9 7 2 5 8 4 9 5 8 2 3 6 1 7 2 7 8 1 5 6 9 4 3 5 1 9 7 8 2 3 6 4 3 2 7 6 4 1 8 9 5 8 6 4 5 3 9 1 7 2

1 2 9 8 6 7 4 3 56 3 5 1 4 9 2 7 84 8 7 3 5 2 6 9 15 9 1 2 3 4 8 6 77 4 8 6 9 5 1 2 32 6 3 7 8 1 9 5 49 7 6 4 1 3 5 8 28 1 2 5 7 6 3 4 93 5 4 9 2 8 7 1 6

4 1 2 7 8 6 3 5 99 6 5 2 4 3 7 8 18 3 7 9 5 1 4 6 27 5 4 3 1 8 9 2 61 9 8 6 2 7 5 3 43 2 6 5 9 4 1 7 82 7 3 4 6 9 8 1 55 4 1 8 3 2 6 9 76 8 9 1 7 5 2 4 3

Page 56: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

4 8 39 4 6

8 7 9 1 4 9

6 1 29 8 7

7 5 42 4 6

5 9 77 9 2 8 6 4

8 3 9 2 8 3

1 2 3 6 4 4 7 5

Page 57: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

7 9 8 3 5 2 15 1

6 9 3

4 8 68 1 4 9

6 3 8 7 4

9 7 6 3 1 4 3 8

3 1 7 5 3 4 9 2 6 8

4 2 9 7

Page 58: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

74 6 36 5

6 4 56 8

1 2 38 1 2

8 6 49 7 4 8

5 3 4 2 8 8 1 2 6 5 4 7 3 8 6 7 2 3 4 4 2 5 7

6 3

Page 59: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

4 79 7 2

6 2 48 1

1 5 8 35 6 2 5 9 7 1 1 4 7 3

4 9 4 1 8 9 5 2 7

3 6 7 1 5 8 3 8 2

8 4 7 8 3

Page 60: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

6 3 79 4 1

8 2 4 4 5 9

3 51 6 8 5

3 6 47 5

6 33 4 5 77 9 2 3 4 1 4 3 6 2 8

4 5 6 7 5 8 2 9

Page 61: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

9 4 73 2 5

2 84 6

8 9 6 57 2 45 3

8 7 9 7 5

9 1 5 2 3 1 2 8

4 8 9 6 5 9 4 6 7 2 4

5 3 6

Page 62: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

1 6 92 3 5 5 9 8 6

7 4 21

8 9 7 6 3 6

4 7 5 1

8 3 9 6 1 4

2 7 8 5 9 7 5 2

4 1 6 9 5 1 9 4 8 3

Page 63: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

7 2 3 9 6 1

6 7 7 4 9

3 9 2 8 7 6 1

6 5 8

3 8 4

8 4 3 3 2 5 6 1

6 8 91 7 3 2 4 7 4 5 6 9 8 3

Page 64: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

2 4 5 9 5 4 3 8

2 5 3

3 6 1 6 9

2 8 3 68 1

6 5

6 2 9 8 3 5 1 8 4 9 1 7

9 5 7 6 2 4 5 3 6 3 7

Page 65: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

1 4 7 2 9 5 8 6 3 2 8 9 6 7 3 4 5 1 3 5 6 1 4 8 2 9 7 8 7 5 9 2 1 3 4 6 6 2 1 3 5 4 7 8 9 9 3 4 8 6 7 5 1 2 4 9 8 7 1 2 6 3 5 7 6 3 5 8 9 1 2 4 5 1 2 4 3 6 9 7 8

4 2 8 5 1 3 9 7 67 3 9 6 4 2 1 5 86 1 5 8 7 9 2 4 33 7 6 2 9 4 8 1 58 4 1 7 3 5 6 9 25 9 2 1 8 6 7 3 41 6 7 4 5 8 3 2 92 5 3 9 6 1 4 8 79 8 4 3 2 7 5 6 1

7 9 1 3 6 2 8 4 54 3 6 8 7 5 9 2 12 5 8 4 1 9 3 7 66 2 7 5 9 3 4 1 81 8 5 6 4 7 2 9 33 4 9 1 2 8 5 6 78 1 2 7 5 4 6 3 95 7 4 9 3 6 1 8 29 6 3 2 8 1 7 5 4

1 3 8 9 5 7 2 6 4 7 5 4 8 2 6 9 3 1 2 6 9 1 4 3 5 7 8 3 8 2 6 1 9 4 5 7 9 7 1 5 3 4 8 2 6 6 4 5 2 7 8 1 9 3 5 2 6 7 8 1 3 4 9 4 1 7 3 9 2 6 8 5 8 9 3 4 6 5 7 1 2

8 2 1 3 9 6 5 4 75 9 4 7 1 8 6 3 23 7 6 2 5 4 9 1 87 6 3 1 4 9 2 8 54 5 2 6 8 3 7 9 11 8 9 5 7 2 4 6 36 4 5 8 3 7 1 2 92 1 8 9 6 5 3 7 49 3 7 4 2 1 8 5 6

5 3 4 9 2 6 1 7 89 8 7 3 1 5 4 6 22 6 1 4 7 8 9 5 38 1 9 5 4 7 2 3 63 4 5 8 6 2 7 9 17 2 6 1 3 9 8 4 51 7 3 6 8 4 5 2 94 5 8 2 9 3 6 1 76 9 2 7 5 1 3 8 4

8 2 9 4 6 5 1 7 3 4 1 5 9 7 3 6 2 8 6 3 7 8 1 2 5 9 4 3 8 6 1 4 9 2 5 7 9 4 1 5 2 7 8 3 6 5 7 2 3 8 6 4 1 9 2 5 3 6 9 4 7 8 1 7 6 8 2 3 1 9 4 5 1 9 4 7 5 8 3 6 2

1 3 2 8 6 5 9 4 75 6 7 9 4 1 3 2 84 8 9 3 2 7 5 1 69 1 8 6 3 4 2 7 53 5 6 7 9 2 4 8 12 7 4 1 5 8 6 3 97 4 3 5 8 6 1 9 28 9 5 2 1 3 7 6 46 2 1 4 7 9 8 5 3

6 1 4 5 8 3 2 9 75 3 2 9 7 4 6 8 19 7 8 2 6 1 4 3 53 4 5 6 2 7 9 1 82 8 7 4 1 9 3 5 61 6 9 8 3 5 7 4 28 2 1 3 4 6 5 7 97 5 3 1 9 2 8 6 44 9 6 7 5 8 1 2 3

Page 66: Challenging

Challenging Sudoku Puzzles - Book 5 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

2 8 6 7 1 3 4 9 5 3 4 1 2 9 5 6 8 7 7 9 5 4 6 8 3 2 1 1 3 2 8 4 7 5 6 9 8 7 9 1 5 6 2 4 3 5 6 4 9 3 2 7 1 8 4 2 7 5 8 9 1 3 6 9 1 3 6 7 4 8 5 2 6 5 8 3 2 1 9 7 4

8 9 4 6 5 1 2 3 71 7 3 2 8 4 5 9 65 2 6 3 9 7 4 8 12 5 9 7 4 8 1 6 34 8 1 9 6 3 7 5 26 3 7 1 2 5 8 4 99 6 5 4 1 2 3 7 83 4 2 8 7 6 9 1 57 1 8 5 3 9 6 2 4

1 5 8 6 2 3 4 9 73 7 2 1 9 4 5 6 86 9 4 7 8 5 2 3 17 2 1 4 6 8 9 5 34 8 5 2 3 9 1 7 69 3 6 5 7 1 8 4 22 1 9 3 4 7 6 8 58 6 7 9 5 2 3 1 45 4 3 8 1 6 7 2 9

7 8 1 5 2 6 4 3 9 6 2 9 3 8 4 5 7 1 3 5 4 9 7 1 2 8 6 5 6 3 7 4 9 1 2 8 4 1 2 8 3 5 9 6 7 8 9 7 6 1 2 3 4 5 2 4 6 1 9 8 7 5 3 1 3 5 4 6 7 8 9 2 9 7 8 2 5 3 6 1 4

1 2 4 9 5 7 8 3 65 9 3 8 6 1 7 2 48 6 7 2 3 4 5 9 12 7 1 3 8 9 6 4 53 8 5 4 1 6 9 7 26 4 9 5 7 2 1 8 34 1 6 7 2 8 3 5 97 5 2 1 9 3 4 6 89 3 8 6 4 5 2 1 7

7 2 9 1 8 3 5 6 44 5 8 2 9 6 1 7 36 1 3 4 7 5 2 8 92 6 1 7 3 4 8 9 53 9 5 8 2 1 6 4 78 4 7 5 6 9 3 1 25 8 6 9 4 2 7 3 11 3 4 6 5 7 9 2 89 7 2 3 1 8 4 5 6

5 1 8 7 6 4 3 9 2 9 3 7 8 2 1 4 5 6 2 4 6 9 3 5 7 8 1 6 7 3 1 4 8 9 2 5 1 5 9 2 7 3 6 4 8 4 8 2 5 9 6 1 7 3 3 9 1 4 8 2 5 6 7 8 6 4 3 5 7 2 1 9 7 2 5 6 1 9 8 3 4

2 7 8 4 5 9 1 6 31 5 4 3 6 2 9 8 73 9 6 7 8 1 2 4 56 1 5 9 3 7 8 2 44 3 9 8 2 6 5 7 17 8 2 1 4 5 6 3 95 4 7 2 9 8 3 1 68 6 1 5 7 3 4 9 29 2 3 6 1 4 7 5 8

6 9 4 8 3 1 5 2 75 7 1 6 4 2 3 9 88 3 2 5 7 9 4 1 67 1 8 3 2 6 9 4 52 6 5 4 9 8 1 7 39 4 3 1 5 7 6 8 23 2 7 9 1 5 8 6 41 5 6 7 8 4 2 3 94 8 9 2 6 3 7 5 1

Page 67: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

1 9 3 42 4

8 9 14 3 6

6 7 9 1 3 54 5 7

3 6 8

5 9 3 5 2 1 4 5 7 1 2 2 4 3 7 9 4

9 8 6 6 4 3 8 1

Page 68: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

8 21 7 6

9 6 1 7 2

2 4 93 1 5

1 9 2 8 3

6 8

9 4 2 6 3 4 6 1 2

7 1 5 2 7 4 8 4 9 5 9

9 6 8 8 3

Page 69: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

5 8 32 6 3 1

56 9 4

5 9 1 7

1 3 6 98 7 1

2 3

5 9 6 1 7 5

6 1 4 8 4 7 7 1 2 5 8 9 6 5 8 5 9 3

7

Page 70: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

8 2 6 8 4 7 5

9 26 2 4 9

1 5 5 73 9

6 3 8 24 3

9 8 8 2 5 3 1

4 2 7 3 6 1 3 2 3 8 5 7 7 4 6 1 2

Page 71: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

8 3 54 7

6 2 4 7

8 2 7 5 6 3 2

2 87 8 5 69 3

5 44 1 3 2 8

6 1 8 9 7 4 3 6 2

1 9 6 3 5 4 8 3

Page 72: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

7 15 3 8 2

1 5 3 5 1 4

1 9 2 58 7

5 82 4 5 9

9 6

4 7 3 7 3 8 9 8 9 4 6

5 7 2 1 7

4 6 5

8 1 2 3 4

Page 73: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

4 3

7 8 1 25 6

7 9 53 7 1 8

8 9 6 7 5 2 6 4

3 8 9 2 1 7 1 6 9 5 4 6 7 3

8 5 2 2 9 7 1

5 1

Page 74: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

6 5 4 3

4 5 9 7 1

6 2 49 2 8 1

38 3 2 9 6

2 8 7

9 1 3 8 7 2 3 4 1

2 5 4 8 1 5 8 9 7

7 3 6 4 1 2

Page 75: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

6 31 8 4

3 4 7 1 4 2

8 5 6 3 1 4 5 7 1

3 6 7 2

5 1 3 8 3 6 5 1 4

6 3 2 2 6 9 3 7

3 8 9 2 4 7 1

Page 76: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

7 6 4 2 3 1 5 9 8 5 1 8 9 7 6 3 2 4 9 2 3 8 5 4 1 6 7 2 5 7 6 4 8 9 1 3 4 8 9 3 1 2 7 5 6 1 3 6 5 9 7 8 4 2 6 9 2 1 8 3 4 7 5 8 4 5 7 2 9 6 3 1 3 7 1 4 6 5 2 8 9

2 7 5 9 1 3 6 4 84 8 3 7 6 5 2 1 96 1 9 2 4 8 3 5 73 5 7 6 8 9 1 2 48 2 4 3 7 1 9 6 51 9 6 5 2 4 7 8 37 4 8 1 9 2 5 3 69 3 1 8 5 6 4 7 25 6 2 4 3 7 8 9 1

6 8 5 4 1 3 9 2 74 1 2 5 9 7 6 8 39 7 3 8 6 2 5 4 13 5 1 6 8 9 4 7 28 6 7 2 4 5 1 3 92 4 9 3 7 1 8 6 51 3 4 9 2 6 7 5 87 2 8 1 5 4 3 9 65 9 6 7 3 8 2 1 4

5 9 8 1 4 2 7 6 3 1 2 7 6 8 3 5 9 4 3 4 6 7 9 5 1 2 8 7 1 4 5 6 9 3 8 2 6 8 9 3 2 7 4 5 1 2 3 5 8 1 4 6 7 9 4 5 3 9 7 8 2 1 6 9 7 1 2 3 6 8 4 5 8 6 2 4 5 1 9 3 7

9 7 1 5 2 8 6 4 38 2 5 6 4 3 1 9 76 3 4 1 7 9 8 2 53 8 6 9 1 2 5 7 45 4 2 8 3 7 9 1 61 9 7 4 5 6 3 8 24 1 3 7 8 5 2 6 92 6 8 3 9 4 7 5 17 5 9 2 6 1 4 3 8

8 5 2 3 4 9 1 7 63 1 4 7 6 2 5 8 96 9 7 5 8 1 3 4 21 2 8 6 9 3 4 5 74 7 9 1 2 5 8 6 35 3 6 8 7 4 2 9 19 6 1 2 5 8 7 3 42 4 5 9 3 7 6 1 87 8 3 4 1 6 9 2 5

5 4 1 8 2 3 6 9 7 8 6 2 9 4 7 1 5 3 3 7 9 5 1 6 4 2 8 6 2 4 7 3 9 5 8 1 7 9 8 1 5 4 2 3 6 1 5 3 2 6 8 9 7 4 2 3 5 4 7 1 8 6 9 9 1 6 3 8 5 7 4 2 4 8 7 6 9 2 3 1 5

1 2 7 4 9 8 5 6 33 6 4 1 7 5 8 9 28 5 9 3 2 6 1 7 44 9 2 5 1 7 3 8 67 1 8 6 4 3 9 2 55 3 6 2 8 9 7 4 19 4 3 8 6 1 2 5 72 8 5 7 3 4 6 1 96 7 1 9 5 2 4 3 8

2 7 6 4 1 9 8 3 58 4 3 5 2 7 9 6 15 1 9 3 8 6 4 7 26 9 5 2 3 4 1 8 71 8 2 7 9 5 6 4 34 3 7 1 6 8 2 5 93 6 4 9 5 2 7 1 87 2 1 8 4 3 5 9 69 5 8 6 7 1 3 2 4

Page 77: Challenging

Challenging Sudoku Puzzles - Book 6 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

8 9 6 3 2 5 4 7 1 4 1 7 8 9 6 5 2 3 5 3 2 1 7 4 9 8 6 6 2 5 7 1 8 3 9 4 9 7 4 6 3 2 8 1 5 3 8 1 5 4 9 7 6 2 1 6 3 9 5 7 2 4 8 7 4 8 2 6 3 1 5 9 2 5 9 4 8 1 6 3 7

8 7 6 9 3 2 5 4 15 4 3 6 1 8 9 7 29 1 2 7 5 4 8 3 63 9 5 2 7 6 1 8 47 8 1 4 9 3 6 2 56 2 4 5 8 1 7 9 34 5 7 3 6 9 2 1 82 6 8 1 4 7 3 5 91 3 9 8 2 5 4 6 7

2 9 8 4 5 1 6 7 36 5 7 3 2 8 4 1 91 3 4 6 9 7 8 2 57 8 9 2 4 6 5 3 15 4 1 8 7 3 9 6 23 2 6 9 1 5 7 4 84 6 3 1 8 9 2 5 79 7 2 5 3 4 1 8 68 1 5 7 6 2 3 9 4

3 9 5 6 1 2 4 8 7 2 1 8 4 5 7 6 3 9 7 4 6 8 3 9 1 5 2 5 8 4 2 9 6 7 1 3 6 2 1 7 4 3 8 9 5 9 3 7 1 8 5 2 4 6 4 7 3 5 2 8 9 6 1 1 6 9 3 7 4 5 2 8 8 5 2 9 6 1 3 7 4

3 6 4 5 7 8 9 1 29 5 8 2 1 4 3 7 62 7 1 6 3 9 5 8 44 1 9 8 6 5 7 2 37 2 6 1 9 3 8 4 58 3 5 7 4 2 1 6 91 8 2 9 5 6 4 3 76 9 3 4 8 7 2 5 15 4 7 3 2 1 6 9 8

7 6 5 3 2 1 4 8 91 2 9 8 6 4 3 5 73 4 8 5 9 7 2 6 18 1 4 9 5 3 6 7 25 3 6 7 1 2 9 4 89 7 2 4 8 6 1 3 56 9 7 1 4 5 8 2 34 8 3 2 7 9 5 1 62 5 1 6 3 8 7 9 4

5 9 1 2 3 8 7 6 4 8 4 6 7 1 5 2 9 3 3 2 7 6 9 4 8 1 5 2 5 3 9 7 6 1 4 8 6 7 9 8 4 1 3 5 2 4 1 8 3 5 2 9 7 6 7 8 5 4 2 9 6 3 1 1 3 2 5 6 7 4 8 9 9 6 4 1 8 3 5 2 7

2 6 8 4 7 5 1 9 35 1 9 2 6 3 8 4 73 4 7 9 8 1 2 6 51 5 3 7 4 8 9 2 68 7 2 5 9 6 4 3 14 9 6 3 1 2 7 5 86 2 4 8 5 7 3 1 97 3 5 1 2 9 6 8 49 8 1 6 3 4 5 7 2

7 2 9 4 5 1 6 3 88 5 3 2 7 6 1 9 44 6 1 9 3 8 2 7 59 1 8 3 6 5 4 2 76 3 4 7 2 9 8 5 12 7 5 8 1 4 3 6 91 9 6 5 4 3 7 8 23 8 7 1 9 2 5 4 65 4 2 6 8 7 9 1 3

Page 78: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

5 8 45 4 8 2 9

8 2

7 9 2 9 4 1 5

3 5 6 2 97 4 3

6 5 4 2 7 5 2 8 5 4 9 8 6 1

6 1 3 2 2 8 1 4

7 9 1 3

Page 79: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

2 84 6 9

3 4 7 1 6

3 8 98 4

6 5 4 1 5 2

9

6 5 7 9 8 2 3 6 3

2 9 3 1 9 1

9 7 6 4 8 5 4 2

Page 80: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

5 3 1 22 8

8 5 9 4

8 2 7 8 4 1

2 9 54 6

1 7 6

1 35 2 6 44 1 7 4 9 5 3

8 2 4 3 1 5 8 9

2 6 7 4 3 8

Page 81: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

4 6 3 7 4 1

22 7 5

5 8 6 43 9 8

7 5 2 6

1 5 4

5 2 11 2 7 9 46

8 3 4 4 3 5 7 5 9 6 8 6 1 2 4

Page 82: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

7 9 4 27 3

6 8 3 1

9 7 1 6 8

2 1 5 9 65 4 8

8 9

5 8 9 8 3 2

7 6 41 2 6 8 9 2 7 4

8 9 5 3 7 1 2 9 5

Page 83: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

7 3 5

9 8 1 6 9

8 4 6 11 3 5

2 4 3 85 9

4 7

2 5 7 9 7 6 8

3 9 1 5 3 4 3 5

6 5 2 9 2 1 7 5 9 6 8

Page 84: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

9 2 6 7

5 1 75 9

3 5 44 3 2

7 4 9 2 1 81 7 2

9 8 4

8 4 55 6 1 6 8

2 9 1 7 4 8

4 2 6 3 6 1 2 5 8 7

Page 85: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

8 5 3 6 3

4 7 8 1 2 9 32 8

3 4 15

7 4 1 6 9 5

8 3 5

5 7 6 9 32 5 7 7 4 8 1 8 9 2 3 8 1 5

Page 86: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

1 6 9 4 2 1 8

5 5 3 2

3 9 1 66 3 97 5

8 2 8 6 7

8 6 9 7 6

7 9 2 2 5 9 3 7 4

4 1 2 1 6 9 3 8 6

Page 87: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

9 7 1 2 5 6 8 4 3 3 5 6 4 7 8 2 9 1 8 2 4 1 9 3 7 6 5 5 6 3 8 1 2 9 7 4 1 4 7 5 6 9 3 8 2 2 9 8 3 4 7 1 5 6 4 8 9 6 3 1 5 2 7 6 3 2 7 8 5 4 1 9 7 1 5 9 2 4 6 3 8

9 8 6 5 4 2 1 3 75 2 1 8 3 7 6 9 44 3 7 1 9 6 5 2 81 7 3 2 8 5 4 6 92 4 8 3 6 9 7 1 56 5 9 4 7 1 3 8 23 6 2 9 5 4 8 7 18 1 4 7 2 3 9 5 67 9 5 6 1 8 2 4 3

7 2 1 3 5 6 9 8 44 6 9 8 7 1 3 2 55 3 8 4 9 2 7 6 11 7 3 9 8 4 2 5 66 5 4 1 2 3 8 9 78 9 2 5 6 7 4 1 32 8 7 6 3 5 1 4 99 4 6 7 1 8 5 3 23 1 5 2 4 9 6 7 8

6 4 1 2 9 5 8 7 3 7 9 5 4 8 3 6 2 1 8 2 3 6 1 7 4 5 9 5 6 9 7 3 1 2 4 8 2 7 4 9 6 8 3 1 5 3 1 8 5 4 2 9 6 7 4 5 2 8 7 9 1 3 6 9 3 7 1 2 6 5 8 4 1 8 6 3 5 4 7 9 2

6 5 9 8 3 1 4 7 21 3 4 9 7 2 8 5 68 2 7 4 5 6 9 1 37 6 2 1 9 3 5 4 84 1 8 2 6 5 7 3 93 9 5 7 8 4 6 2 12 7 3 6 4 9 1 8 55 4 6 3 1 8 2 9 79 8 1 5 2 7 3 6 4

6 9 7 4 1 8 2 5 35 3 8 9 7 2 1 6 44 1 2 6 3 5 9 7 81 4 6 8 9 7 5 3 28 2 3 5 6 1 4 9 79 7 5 3 2 4 6 8 13 5 1 2 8 9 7 4 62 8 9 7 4 6 3 1 57 6 4 1 5 3 8 2 9

4 2 8 7 1 6 3 9 5 7 3 5 8 9 2 4 6 1 9 6 1 3 4 5 7 2 8 1 8 2 6 7 4 9 5 3 3 5 9 1 2 8 6 7 4 6 7 4 5 3 9 1 8 2 2 9 7 4 8 1 5 3 6 5 4 3 2 6 7 8 1 9 8 1 6 9 5 3 2 4 7

9 5 4 3 2 7 8 6 11 2 7 5 6 8 9 4 36 3 8 1 4 9 7 2 55 4 3 7 8 1 2 9 68 7 1 2 9 6 3 5 42 9 6 4 3 5 1 8 74 1 5 9 7 2 6 3 87 8 9 6 5 3 4 1 23 6 2 8 1 4 5 7 9

5 8 7 1 6 9 3 4 21 4 9 2 7 3 6 8 56 3 2 4 8 5 1 9 77 6 3 5 4 8 2 1 99 2 8 7 1 6 4 5 34 5 1 3 9 2 7 6 82 1 4 8 5 7 9 3 63 9 5 6 2 4 8 7 18 7 6 9 3 1 5 2 4

Page 88: Challenging

Challenging Sudoku Puzzles - Book 7 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

6 1 2 7 4 5 3 8 9 5 4 9 6 8 3 2 1 7 7 8 3 2 1 9 5 6 4 1 2 5 4 3 6 9 7 8 4 7 8 9 5 2 6 3 1 9 3 6 1 7 8 4 5 2 8 9 4 5 6 1 7 2 3 3 5 7 8 2 4 1 9 6 2 6 1 3 9 7 8 4 5

7 6 2 5 3 4 9 1 84 3 1 9 8 6 7 5 29 5 8 7 2 1 6 3 42 7 6 1 5 8 4 9 35 8 3 4 6 9 2 7 11 9 4 3 7 2 8 6 56 1 7 2 4 5 3 8 93 2 5 8 9 7 1 4 68 4 9 6 1 3 5 2 7

2 5 8 7 3 1 4 6 94 1 7 9 5 6 8 3 23 9 6 2 8 4 7 1 57 3 1 5 4 9 6 2 89 2 4 8 6 3 1 5 76 8 5 1 7 2 9 4 35 4 3 6 9 8 2 7 18 7 2 4 1 5 3 9 61 6 9 3 2 7 5 8 4

9 5 1 2 7 3 4 8 6 2 6 7 8 4 1 3 5 9 8 4 3 6 9 5 2 1 7 7 8 5 3 2 4 6 9 1 3 9 2 1 8 6 5 7 4 4 1 6 7 5 9 8 3 2 5 7 4 9 3 2 1 6 8 1 3 8 4 6 7 9 2 5 6 2 9 5 1 8 7 4 3

7 8 3 6 4 5 2 1 95 4 2 9 8 1 6 7 39 1 6 7 2 3 5 8 42 9 4 8 7 6 3 5 16 3 1 5 9 2 7 4 88 5 7 1 3 4 9 2 64 7 8 2 6 9 1 3 53 6 5 4 1 7 8 9 21 2 9 3 5 8 4 6 7

2 9 1 8 5 3 4 6 78 6 5 9 4 7 3 2 14 3 7 1 2 6 8 9 55 1 4 2 7 8 9 3 69 2 6 5 3 1 7 4 83 7 8 6 9 4 5 1 26 4 2 3 8 5 1 7 97 5 9 4 1 2 6 8 31 8 3 7 6 9 2 5 4

1 9 6 2 8 3 7 4 5 8 7 3 5 4 9 1 6 2 5 4 2 1 7 6 8 9 3 2 1 4 3 5 7 6 8 9 9 5 7 6 1 8 2 3 4 3 6 8 4 9 2 5 7 1 4 8 5 9 6 1 3 2 7 7 3 9 8 2 5 4 1 6 6 2 1 7 3 4 9 5 8

1 5 6 8 7 9 4 2 34 2 9 6 3 5 7 1 83 8 7 4 1 2 5 9 65 9 8 3 2 6 1 4 77 4 3 9 5 1 8 6 22 6 1 7 4 8 3 5 96 7 4 5 9 3 2 8 18 1 5 2 6 7 9 3 49 3 2 1 8 4 6 7 5

3 5 2 1 8 4 6 9 78 4 1 6 7 9 2 3 57 6 9 2 3 5 4 1 89 2 5 4 1 3 7 8 61 7 4 8 2 6 3 5 96 8 3 5 9 7 1 2 44 3 8 9 6 1 5 7 22 1 6 7 5 8 9 4 35 9 7 3 4 2 8 6 1

Page 89: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

5 7 81 4

9 3 5 6 48 9

8 3 1 6

4 65 2 9

7 6

9 2 6 7 9 4 5 6 7

2 8 4 6 9 2 7 7 6 8 3 4 3 1

Page 90: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

67 8 4

2 6 1 97

4 3 3 6 5 4 88 4 5 1

2 4 7 6

5 3 7 6 8 2 9 2 7 6 3 8 2 6 9 5 4 9 1 3 7

1 7 6 5

Page 91: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

1 2 58 7 9 6 7 3

3 8 6 2 6 4 9 1

8 21 4 8

5 9 1

3 9 62 7 5 3 1 1 3 1 4 2 3 9 8

6 7 5 2 4 9 8 2

Page 92: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

3 7 9 4 6

2 54 8 3

3 7 95 8

7 3 2 41 3

6

6 3 45 1 9 29 8 6 2 9 3 4 7 8

4 6 5 2 5 2 1 8 5

Page 93: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

9 4 5 8 3 4

6 4

7 9 1 6 2 7 3 5 7 1

8 4 29 7 8

2 8 7 7 2

6 3 9 3 5 1

4 3 6 9 5 7 8

7 9 8 4 2

Page 94: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

8 5 18 7 3

4 74 2

6 9 3 3 7 4

3 9 81 9

7 1 6

9 3 6 1 2 4 4 7 9

8 7 5 9 6 4 9 5 8 3 3 6 1 1 9 4

Page 95: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

6 3 5 3 2 5 67 4 8

1 3 5 7

8 1 36 2 1 4

9 4 9 6

4 7 8 5 2 6 3 9 5 2 6

1 5 8 6 3 42 7 5 4 5 2 9

Page 96: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

8 5 2 9 6 3

2 12 7

2 5 8 3 6 4

4 9 81 2 8 9

5 1 7

3 6 7 8 9 4 2 5

9 3 3 1 6 5 4 2 7 5 9 6 6 4 5 9 8 2

Page 97: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

2 5 17 3

4 8 4 3

1 9 2 4

8 1 6 77 3 1 5

7 5 2

1 7 96 9 2 5 1 4 7

3 2 9 8 1 5

1 6 4 8 3 9 4 5 8

Page 98: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

4 3 5 9 6 2 7 8 1 6 8 7 1 5 4 3 2 9 2 1 9 7 8 3 5 6 4 8 7 3 6 2 1 4 9 5 9 6 4 8 3 5 2 1 7 5 2 1 4 9 7 6 3 8 3 9 2 5 4 8 1 7 6 1 5 6 2 7 9 8 4 3 7 4 8 3 1 6 9 5 2

9 1 8 3 6 5 7 4 24 2 6 7 8 1 9 5 37 5 3 2 4 9 1 8 61 9 4 5 2 3 8 6 73 8 7 1 9 6 4 2 52 6 5 8 7 4 3 1 96 4 1 9 3 2 5 7 85 7 9 6 1 8 2 3 48 3 2 4 5 7 6 9 1

4 9 7 2 1 5 8 6 33 6 1 9 7 8 2 5 48 5 2 4 3 6 1 7 91 7 8 6 2 4 9 3 55 2 4 3 8 9 7 1 69 3 6 7 5 1 4 8 26 8 5 1 9 2 3 4 77 4 9 8 6 3 5 2 12 1 3 5 4 7 6 9 8

5 4 2 1 3 8 9 7 6 3 1 8 6 9 7 4 2 5 6 9 7 2 5 4 3 8 1 9 2 1 4 7 5 8 6 3 4 5 3 8 2 6 7 1 9 7 8 6 9 1 3 5 4 2 2 6 4 5 8 9 1 3 7 8 3 5 7 6 1 2 9 4 1 7 9 3 4 2 6 5 8

1 7 6 9 3 8 2 5 45 3 8 4 2 7 6 9 14 2 9 1 6 5 8 7 33 4 1 5 8 9 7 6 26 9 5 7 1 2 3 4 82 8 7 6 4 3 9 1 59 1 3 8 7 4 5 2 67 6 2 3 5 1 4 8 98 5 4 2 9 6 1 3 7

1 8 3 9 7 4 5 6 22 7 4 6 5 3 1 8 95 6 9 1 8 2 4 7 37 9 1 8 4 6 3 2 54 2 5 7 3 1 6 9 86 3 8 2 9 5 7 1 48 5 6 3 2 7 9 4 13 1 2 4 6 9 8 5 79 4 7 5 1 8 2 3 6

3 7 5 6 4 9 8 2 1 9 4 1 2 8 5 6 3 7 2 8 6 3 1 7 4 5 9 4 1 7 8 9 2 5 6 3 5 3 8 7 6 4 1 9 2 6 9 2 5 3 1 7 4 8 7 6 9 1 5 3 2 8 4 1 5 4 9 2 8 3 7 6 8 2 3 4 7 6 9 1 5

1 9 7 2 5 4 3 8 66 8 2 1 9 3 5 4 75 3 4 6 7 8 1 9 29 7 3 8 6 5 2 1 48 4 5 9 1 2 6 7 32 1 6 3 4 7 9 5 84 6 8 5 2 1 7 3 97 5 9 4 3 6 8 2 13 2 1 7 8 9 4 6 5

2 3 7 1 9 4 5 6 88 1 6 2 5 3 4 9 75 4 9 6 8 7 1 2 31 8 5 9 2 6 3 7 47 9 3 4 1 8 2 5 64 6 2 7 3 5 8 1 96 7 8 5 4 2 9 3 13 5 1 8 6 9 7 4 29 2 4 3 7 1 6 8 5

Page 99: Challenging

Challenging Sudoku Puzzles - Book 8 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

9 5 2 6 8 4 3 7 1 8 1 7 3 5 9 4 6 2 6 3 4 7 2 1 9 5 8 2 6 9 4 7 5 1 8 3 3 7 5 9 1 8 6 2 4 4 8 1 2 3 6 5 9 7 1 2 6 5 4 7 8 3 9 7 9 8 1 6 3 2 4 5 5 4 3 8 9 2 7 1 6

4 7 3 2 8 5 9 1 61 8 6 7 4 9 2 5 39 2 5 6 1 3 8 4 78 5 7 4 3 2 6 9 16 9 4 1 5 7 3 8 22 3 1 9 6 8 5 7 43 6 9 5 7 4 1 2 85 4 8 3 2 1 7 6 97 1 2 8 9 6 4 3 5

9 3 4 7 2 5 1 8 67 6 5 1 8 9 2 3 41 2 8 6 4 3 7 9 58 1 2 3 6 7 4 5 93 4 7 5 9 8 6 1 25 9 6 2 1 4 3 7 82 7 9 4 5 1 8 6 34 5 3 8 7 6 9 2 16 8 1 9 3 2 5 4 7

4 8 6 3 7 2 5 9 1 3 9 2 8 1 5 7 6 4 7 5 1 6 4 9 8 3 2 2 7 8 1 9 3 6 4 5 1 3 5 4 2 6 9 7 8 9 6 4 7 5 8 1 2 3 6 2 7 5 3 1 4 8 9 8 1 3 9 6 4 2 5 7 5 4 9 2 8 7 3 1 6

3 2 5 6 4 9 1 8 79 8 1 3 7 5 4 6 27 4 6 8 1 2 9 5 38 6 3 9 2 7 5 1 44 5 2 1 3 6 8 7 91 7 9 4 5 8 3 2 66 1 8 7 9 3 2 4 52 9 7 5 8 4 6 3 15 3 4 2 6 1 7 9 8

4 9 8 3 1 5 7 6 25 2 1 9 7 6 3 4 87 3 6 2 8 4 9 1 58 1 4 6 9 2 5 7 32 5 7 8 4 3 1 9 63 6 9 1 5 7 8 2 46 7 5 4 3 9 2 8 11 4 3 7 2 8 6 5 99 8 2 5 6 1 4 3 7

3 5 6 1 7 8 4 2 9 1 4 2 6 3 9 7 5 8 9 8 7 4 5 2 3 6 1 7 2 5 9 4 1 6 8 3 4 1 8 2 6 3 5 9 7 6 9 3 7 8 5 1 4 2 8 7 1 5 2 4 9 3 6 2 6 4 3 9 7 8 1 5 5 3 9 8 1 6 2 7 4

8 2 4 9 5 7 6 3 16 1 7 2 3 8 5 4 95 3 9 4 6 1 8 2 74 6 3 1 8 9 7 5 27 8 2 5 4 3 1 9 61 9 5 6 7 2 4 8 32 5 8 3 1 6 9 7 49 7 6 8 2 4 3 1 53 4 1 7 9 5 2 6 8

5 8 2 1 7 6 4 3 96 3 1 4 9 5 7 2 87 9 4 3 8 2 1 6 52 1 9 5 3 8 6 4 73 5 6 7 2 4 9 8 14 7 8 9 6 1 2 5 31 6 3 8 4 9 5 7 28 2 5 6 1 7 3 9 49 4 7 2 5 3 8 1 6

Page 100: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 1

Sudoku Puzzle 2

3 4 5 2 5

7 4 25 6 1 7

6 9 5 7

2 9 4 3 7

8 1

5 7 8 4

7 2 9 1 6 6 9 3 3 2 5 6 1 7 5 5 8 9 4 6

Page 101: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 3

Sudoku Puzzle 4

3 81 5 9 2

2 8 5 1 8 5 3

6 5 1 7

8 1 2 44

9 5

3 6 2 85 4 4

2 3 5 4 1 5 2 6 9 3 1 8 2 2 8 1 3

Page 102: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 5

Sudoku Puzzle 6

7 5 3 42 7

5 9 1 88 2

1 6 9 39 3 4

4 9 6 3 2

1

3 2 5 7 5 2

9 4 87 6 1 3 1 3 4 7 6 2 8

4 2 9 3 4 6

Page 103: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 7

Sudoku Puzzle 8

2 7 36 1 4 8

3 1 5 6

8 9 6 2 9 4 5

9 1 8 6 2 3

5 8 3 9 9 5 1 4

7 6 4 3 5 7 1 9 4

2 9 8 5 7 6 1

1

Page 104: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 9

Sudoku Puzzle 10

41 7 9

5 6 2 5 7 8 1

3 2 6 7 52 5 1

6 18 3 5

1 5 8 8 2

6 3 9 9 7 5 2 7 3 6 2 9

7 3 6 5 4 2 7

Page 105: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 11

Sudoku Puzzle 12

2 38 7 5

3 1 4 1 1 2 5

6 9 4 3 5

1 7 9 8 46 7

3 6 1 4 9 8 5

5 2 7 3 1 6 2 8

8 6 91 5 4 2 4 5 3

Page 106: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 13

Sudoku Puzzle 14

1 9 83 7 6

1 76 2 8 7 4

8 2 9 55 3

4 5 2 7

9 5

8 1 6 6 5 7 7 9

8 7 2 6 4 3 2

2 7 1 5 3 4 9 7 5

Page 107: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 15

Sudoku Puzzle 16

1 3 73 8 7 4 5

5 2 1 5 6 2

1 4 6 8 3

4 6

5 2 8

3 2 4 1 7 3 6 5

8 19 4 24 5 2 1 82 6 3 1 4 5 8 2

Page 108: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 17

Sudoku Puzzle 18

4 3 21 8

6 3 5 6 5 2

1 8 93 7 1 2 8 4

3 1 9 6 2

2 6 5 5 3 8 9 4 4 1 8

5 8 7 1 5 3 2 4 7 9 3 7 6 9

Page 109: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 1 Sudoku Puzzle 2 Sudoku Puzzle 3

Sudoku Puzzle 4 Sudoku Puzzle 5 Sudoku Puzzle 6

Sudoku Puzzle 7 Sudoku Puzzle 8 Sudoku Puzzle 9

3 4 2 1 9 5 8 7 6 1 6 8 4 2 7 3 5 9 7 5 9 3 6 8 1 4 2 2 8 5 6 3 1 4 9 7 4 7 3 2 8 9 6 1 5 9 1 6 5 7 4 2 8 3 6 9 7 8 1 2 5 3 4 5 2 1 9 4 3 7 6 8 8 3 4 7 5 6 9 2 1

5 6 2 1 4 3 7 9 89 8 4 2 5 7 6 3 17 1 3 9 6 8 2 5 43 9 5 4 2 1 8 6 71 2 6 7 8 9 5 4 38 4 7 6 3 5 9 1 24 3 8 5 7 6 1 2 96 7 9 3 1 2 4 8 52 5 1 8 9 4 3 7 6

9 4 3 6 7 1 5 2 81 5 6 9 2 8 7 3 47 2 8 5 3 4 1 6 96 1 7 8 4 5 2 9 38 3 4 2 9 7 6 1 55 9 2 1 6 3 4 8 73 8 5 7 1 2 9 4 64 6 1 3 5 9 8 7 22 7 9 4 8 6 3 5 1

3 6 4 9 1 5 7 2 8 5 1 8 6 7 2 3 9 4 7 9 2 8 3 4 6 5 1 2 3 9 7 5 8 4 1 6 8 4 5 1 2 6 9 3 7 6 7 1 3 4 9 5 8 2 4 2 3 5 6 1 8 7 9 1 8 7 4 9 3 2 6 5 9 5 6 2 8 7 1 4 3

8 1 7 5 3 6 2 9 46 4 9 2 8 1 5 7 33 2 5 7 9 4 1 6 84 3 8 1 2 7 6 5 91 5 2 6 4 9 8 3 77 9 6 3 5 8 4 1 22 7 1 4 6 3 9 8 59 6 4 8 7 5 3 2 15 8 3 9 1 2 7 4 6

2 5 4 9 6 1 8 7 36 9 8 3 2 7 5 4 13 1 7 4 8 5 9 6 29 4 5 7 3 2 1 8 67 8 2 6 1 9 3 5 41 3 6 8 5 4 2 9 75 6 3 2 7 8 4 1 94 2 1 5 9 6 7 3 88 7 9 1 4 3 6 2 5

9 2 4 8 7 1 5 3 6 6 5 1 4 9 3 2 7 8 7 3 8 2 5 6 1 4 9 5 1 7 3 8 4 6 9 2 4 8 9 6 2 7 3 1 5 3 6 2 5 1 9 7 8 4 8 4 3 7 6 2 9 5 1 2 9 5 1 3 8 4 6 7 1 7 6 9 4 5 8 2 3

5 4 1 8 3 7 6 9 26 8 9 4 2 5 1 7 33 2 7 9 1 6 8 5 47 5 6 1 8 4 3 2 99 3 4 5 6 2 7 8 18 1 2 3 7 9 4 6 52 9 8 7 4 3 5 1 64 7 5 6 9 1 2 3 81 6 3 2 5 8 9 4 7

7 5 6 3 2 9 1 4 83 2 1 4 8 7 5 9 69 8 4 1 5 6 2 3 75 4 7 6 9 8 3 1 21 3 2 5 7 4 8 6 96 9 8 2 1 3 4 7 52 6 5 9 4 1 7 8 34 7 3 8 6 5 9 2 18 1 9 7 3 2 6 5 4

Page 110: Challenging

Challenging Sudoku Puzzles - Book 9 From www.veryfreesudoku.com

Sudoku Puzzle 10 Sudoku Puzzle 11 Sudoku Puzzle 12

Sudoku Puzzle 13 Sudoku Puzzle 14 Sudoku Puzzle 15

Sudoku Puzzle 16 Sudoku Puzzle 17 Sudoku Puzzle 18

2 4 7 1 6 9 5 3 8 3 9 8 2 4 5 7 1 6 6 1 5 8 7 3 9 4 2 4 3 9 7 2 8 1 6 5 5 2 6 4 9 1 3 8 7 8 7 1 3 5 6 4 2 9 1 5 2 6 3 7 8 9 4 7 8 4 9 1 2 6 5 3 9 6 3 5 8 4 2 7 1

7 1 9 6 5 4 8 2 38 2 6 1 3 7 9 4 54 5 3 8 2 9 1 6 72 8 4 5 1 3 7 9 63 9 1 2 7 6 4 5 85 6 7 9 4 8 3 1 29 4 8 7 6 5 2 3 11 7 5 3 9 2 6 8 46 3 2 4 8 1 5 7 9

3 7 6 2 9 8 5 1 42 4 5 3 7 1 8 9 69 8 1 5 4 6 7 2 35 1 9 8 3 2 4 6 74 3 7 1 6 9 2 5 86 2 8 7 5 4 1 3 98 6 2 4 1 3 9 7 51 5 3 9 8 7 6 4 27 9 4 6 2 5 3 8 1

1 2 6 9 7 5 4 3 8 3 7 4 1 8 6 5 2 9 8 5 9 2 4 3 1 7 6 9 6 2 8 5 7 3 1 4 4 3 8 6 1 2 7 9 5 7 1 5 4 3 9 8 6 2 6 4 7 5 2 1 9 8 3 5 9 1 3 6 8 2 4 7 2 8 3 7 9 4 6 5 1

5 9 2 3 7 4 8 1 61 6 4 8 2 5 9 7 33 7 8 6 9 1 4 2 58 4 5 7 3 9 2 6 19 2 7 5 1 6 3 8 46 1 3 2 4 8 5 9 72 5 6 4 8 7 1 3 97 8 1 9 5 3 6 4 24 3 9 1 6 2 7 5 8

4 1 2 5 6 3 9 8 76 3 8 9 7 1 2 4 59 7 5 4 8 2 3 1 63 8 4 1 5 7 6 9 22 9 1 6 3 4 7 5 87 5 6 2 9 8 1 3 48 6 3 7 1 5 4 2 91 2 7 8 4 9 5 6 35 4 9 3 2 6 8 7 1

5 7 8 1 3 9 2 4 6 6 4 1 5 7 2 8 9 3 3 9 2 6 8 4 1 5 7 8 2 7 4 6 1 9 3 5 9 1 3 7 5 8 4 6 2 4 6 5 2 9 3 7 1 8 2 5 6 9 4 7 3 8 1 7 3 4 8 1 6 5 2 9 1 8 9 3 2 5 6 7 4

1 4 8 7 6 5 9 3 29 2 7 4 1 3 6 5 86 3 5 8 9 2 4 1 77 9 4 6 5 1 8 2 32 6 1 3 4 8 5 7 98 5 3 2 7 9 1 4 65 1 2 9 8 7 3 6 43 8 6 1 2 4 7 9 54 7 9 5 3 6 2 8 1

7 2 3 1 4 8 6 9 54 6 1 9 5 3 8 7 28 5 9 7 6 2 1 3 42 7 6 4 3 9 5 1 85 3 4 6 8 1 9 2 79 1 8 5 2 7 3 4 66 9 2 8 1 4 7 5 33 8 7 2 9 5 4 6 11 4 5 3 7 6 2 8 9