1996
21
91
1820
21
90
2076
18
90
1476
4
90
2446
1
89
1833
14
89
2651
2
89
1478
16
89
3969
2
88
4179
0
88
1812
33
88
2261
0
88
2253
28
88
2552
1
87
2867
0
87
1182
0
87
1866
1
86
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Keyword(s): math