627
0
12
487
17
12
907
0
12
604
0
12
372
0
12
558
0
12
764
0
12
354
22
12
566
0
12
809
2
12
684
0
12
994
2
12
431
0
12
361
1
12
487
2
12
718
0
12
473
2
12
627
2
12
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Keyword(s): math