1166
0
60
1199
2
60
1403
21
60
2240
0
60
2029
11
59
823
5
59
1536
0
59
1563
2
59
7400
3
59
1431
14
59
651
2
59
2374
1
59
5268
3
59
1362
2
59
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Keyword(s): math