632
2
39
1421
2
39
521
8
39
1838
0
39
1339
0
39
1188
12
39
1817
7
39
1984
0
39
5584
0
39
1935
47
39
1411
0
39
516
0
39
1552
26
38
376
2
38
1766
13
38
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Keyword(s): lesson