868
7
17
633
4
17
626
10
17
468
0
17
957
1
17
749
0
17
591
0
17
947
2
17
2034
1
17
488
0
17
248
0
17
615
0
17
442
2
17
425
0
17
915
3
17
602
8
17
721
0
17
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Keyword(s): math