652
5
17
491
2
17
694
4
17
1641
0
17
444
0
17
868
4
17
753
0
17
539
3
17
350
0
17
316
6
17
748
5
17
888
0
17
640
2
17
274
0
17
216
0
17
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Keyword(s): lesson2