216
0
8
693
0
8
584
0
7
630
0
7
697
2
7
257
0
7
943
0
7
340
0
7
1047
0
7
918
0
7
554
10
7
307
0
7
431
6
7
392
0
6
601
3
6
317
2
6
512
1
6
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Keyword(s): 数学2