819
0
14
455
1
14
454
2
14
626
6
14
908
0
14
1188
0
14
613
0
13
825
2
13
1351
16
13
566
8
13
523
2
13
791
2
13
1260
0
13
3105
2
12
2600
0
12
468
1
12
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Keyword(s): math