794
13
28
424
2
28
812
0
28
261
0
28
315
0
28
445
3
28
587
0
28
563
2
28
698
1
28
693
0
28
1296
5
28
1203
1
28
1472
31
28
651
0
28
1264
2
28
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Keyword(s): Math