831
2
49
1651
7
49
1635
2
49
1134
2
49
1149
0
49
11716
0
49
1428
0
49
2417
0
49
1755
1
49
2365
8
49
1175
0
49
1121
2
49
6581
0
49
4493
9
49
2126
0
49
1552
0
49
1005
0
49
1413
0
49
392
4
49
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Keyword(s): Math