1087
0
50
1247
3
50
1309
2
50
861
0
50
1394
6
50
764
0
50
1534
0
50
1415
3
50
1703
0
49
716
0
49
1328
4
49
1135
0
49
671
9
49
556
9
49
1342
2
49
12597
5
49
774
2
49
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Keyword(s): math