240
0
17
735
1
17
473
2
17
2034
0
17
909
1
17
715
0
17
534
4
17
608
0
17
888
0
17
778
7
17
532
2
17
711
5
17
919
0
17
666
2
17
917
0
17
484
0
17
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Keyword(s): lesson7