421
0
8
149
0
8
636
0
8
510
0
8
786
0
8
626
2
8
359
0
8
455
1
8
262
0
8
324
0
8
505
0
8
382
3
8
807
0
8
406
8
8
380
1
8
204
0
8
557
4
8
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Keyword(s): Math