615
5
31
8620
0
31
650
0
31
1030
0
31
1437
4
31
901
0
31
824
6
31
892
0
31
979
2
31
619
0
31
930
3
31
518
2
31
3185
0
31
951
0
31
2333
2
31
1136
6
31
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Keyword(s): Math