649
6
15
528
0
15
321
1
15
382
0
15
554
0
15
568
0
15
431
0
15
496
5
15
651
0
15
183
0
15
524
1
15
561
0
15
398
0
15
405
0
15
796
0
15
395
1
15
631
0
15
744
2
15
737
14
15
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Keyword(s): Math