857
16
17
928
10
17
453
0
16
535
0
16
319
0
16
450
5
16
231
2
16
849
2
15
696
14
15
458
1
15
384
0
15
306
5
15
682
4
14
591
0
14
295
2
14
583
0
14
586
0
13
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Keyword(s): Mathematics