854
16
17
923
10
17
451
0
16
532
0
16
314
0
16
448
5
16
229
2
16
845
2
15
688
14
15
457
1
15
381
0
15
297
5
15
681
4
14
585
0
14
283
2
14
569
0
14
583
0
13
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Keyword(s): Mathematics