2300
2
118
1852
1
87
1678
4
85
1049
11
68
767
2
39
492
0
31
548
2
25
333
0
20
233
3
19
534
4
18
275
1
16
623
7
16
257
2
13
326
0
12
423
3
11
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Keyword(s): 一次方程式