17980
0
18
406
0
18
955
2
18
586
0
18
801
0
18
385
0
18
226
0
18
1047
0
18
11024
0
18
366
0
18
808
0
18
484
0
18
580
0
18
1014
0
18
523
5
18
653
6
18
503
0
18
575
1
18
709
1
18
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Keyword(s): Math