410
0
21
456
0
20
428
1
20
393
0
19
567
0
18
730
3
18
452
1
17
352
0
17
649
1
17
727
5
17
412
0
13
501
3
13
327
0
10
571
0
10
356
0
9
280
0
8
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Keyword(s): 積分法