1064
0
30
1312
3
30
139
0
30
150
0
30
898
0
30
944
2
30
987
6
30
309
0
30
1135
2
30
917
14
30
1153
23
30
963
0
30
493
0
30
1060
2
30
622
2
30
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Keyword(s): math