621
8
12
440
0
12
506
2
12
236
0
12
217
2
12
200
7
12
448
0
12
516
0
12
708
0
12
564
0
12
543
0
12
197
2
12
390
2
12
834
0
12
330
0
12
613
0
12
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Keyword(s): Math