672
0
18
489
0
18
1003
0
18
551
0
18
498
0
17
488
2
17
312
2
17
943
1
17
627
0
17
501
0
17
640
2
17
548
5
17
773
5
17
494
0
17
464
0
17
537
4
17
486
2
17
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Keyword(s): 三角形