664
2
30
1063
0
30
1312
3
30
138
0
30
148
0
30
942
2
30
897
0
30
985
6
30
308
0
30
1134
2
30
917
14
30
1149
23
30
960
0
30
492
0
30
1059
2
30
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Keyword(s): Math