4449
3
42
391
0
42
1170
7
42
1867
5
42
1206
5
42
811
5
42
1075
0
42
1022
0
42
632
0
42
1422
12
42
2686
6
42
1355
3
42
1682
3
42
418
0
42
1162
0
42
806
0
42
7121
0
42
578
2
42
1088
3
42
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Keyword(s): 数学