500
0
9
563
0
9
575
0
9
1828
0
9
973
0
9
1057
0
9
739
0
9
297
0
9
694
0
9
692
2
9
204
0
9
633
0
9
407
0
9
699
0
9
777
0
9
997
0
9
459
0
9
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Keyword(s): chemistry