524
2
22
665
6
22
640
0
22
431
0
22
645
0
22
886
0
22
250
0
22
742
2
22
1564
1
22
566
4
22
770
2
22
891
7
22
514
0
22
700
0
22
623
0
22
1177
1
22
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Keyword(s): Math