1577
0
51
1545
6
51
2210
24
51
689
9
51
902
2
51
879
0
50
918
0
50
1562
4
50
728
3
50
396
0
50
1918
9
50
2670
5
50
1854
3
50
983
0
50
2106
7
50
2223
2
50
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Keyword(s): Math