11787
18
581
5658
8
206
3543
6
199
3938
4
178
2766
0
126
1608
0
89
1297
0
51
2067
0
44
1848
1
34
2510
0
32
7271
0
31
1465
0
30
610
0
29
1207
0
25
744
0
24
1093
0
24
520
0
19
1493
3
17
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Keyword(s): 難問