927
2
43
548
3
43
1179
2
43
421
0
43
665
0
43
692
0
43
1122
5
43
2045
1
43
2035
0
42
589
20
42
816
8
42
836
1
42
1041
7
42
1540
0
42
821
4
42
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Keyword(s): Math