833
0
50
463
0
6
506
2
6
259
2
5
253
0
4
259
2
4
513
0
3
360
2
3
115
0
2
418
0
2
241
0
1
184
0
1
215
4
1
406
4
1
137
1
1
52
0
0
1 - 20 / 21
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Keyword(s): math