656
2
15
607
0
15
204
0
15
741
0
15
457
0
15
592
2
15
819
0
15
709
0
15
287
0
15
625
0
15
317
2
15
332
0
15
141
0
15
1063
0
15
521
0
15
703
0
15
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Keyword(s): Math