597
4
19
509
0
19
382
0
19
155
0
19
770
2
19
821
0
19
565
0
19
466
0
19
558
0
19
592
13
19
396
0
19
1042
0
19
902
0
19
437
0
19
574
1
19
654
0
19
1106
1
19
313
4
19
834
0
19
632
3
19
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Keyword(s): Math