797
2
41
1355
2
41
944
1
41
624
4
41
886
9
41
1484
11
41
1328
1
41
583
0
41
645
0
41
1895
6
41
859
0
41
1315
4
41
853
3
41
724
0
41
537
0
41
603
3
41
1441
0
41
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Keyword(s): math