1652
0
41
1027
20
41
1221
1
41
1734
1
41
2227
10
41
1611
0
41
1199
0
41
982
7
41
796
0
41
932
0
41
1206
0
41
905
0
41
1897
0
41
1048
6
41
530
1
41
2445
0
41
864
8
41
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Keyword(s): math