659
0
15
368
3
15
631
0
15
636
0
15
681
0
15
328
0
15
709
1
15
438
0
15
549
3
15
318
0
15
1555
1
14
591
1
14
318
1
14
551
0
14
1028
0
14
505
0
14
565
0
14
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Keyword(s): lesson2