542
0
17
714
13
17
1719
0
17
558
2
17
632
0
17
1662
0
17
740
0
17
311
2
17
614
1
17
225
0
17
884
16
17
929
10
17
284
0
17
568
6
17
555
1
17
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Keyword(s): math