656
0
16
460
0
16
584
1
16
507
1
16
526
0
16
804
0
16
1261
0
16
469
0
16
643
2
16
428
0
16
714
0
16
542
4
16
348
0
16
415
0
16
381
0
16
452
0
16
518
0
16
400
0
16
759
0
16
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Keyword(s): math