1431
4
84
1861
19
83
857
5
83
2841
2
83
2307
0
83
3975
25
83
1941
2
83
2781
0
83
2335
3
83
4647
3
82
7537
19
82
2119
0
82
1354
16
82
3251
8
82
2427
8
82
1580
23
81
21049
5
81
1900
5
81
2824
8
81
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Keyword(s): math