954
0
15
918
0
15
426
1
15
340
4
15
581
2
15
626
6
15
504
0
15
311
1
15
374
0
15
538
0
15
548
0
15
427
0
15
485
5
15
627
0
15
177
0
15
530
0
15
508
1
15
541
0
15
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Keyword(s): math