1500
46
30
537
4
30
2549
15
30
2193
2
30
1022
0
30
1190
1
30
740
2
30
835
19
30
728
0
30
490
4
30
761
10
30
792
3
30
1502
10
30
1321
17
30
621
13
30
1333
1
30
397
3
30
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Keyword(s): math