23256
8
2839
23174
13
721
7120
13
279
9131
0
177
6143
1
151
2423
0
107
2261
0
94
2079
8
62
2198
0
53
1853
7
44
1744
0
42
1429
0
37
1264
0
29
3343
0
29
836
0
27
1717
0
25
734
0
21
734
0
19
971
0
19
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Keyword(s): 背理法