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2 1
2 12 1
2 1
4
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4
4 9 4 9 2 1
4 9 4 9 2 14 9 4 9 2 1
4 9 4 9 2 1
t t
t tt t
t t
C H Cl C H Cl t - t
C H Cl C H Cl t - tC H Cl C H Cl t - t
C H Cl C H Cl t - t- /
- /- /
- /
- ×10
- ×10- ×10
- ×10