475
1
21
1166
0
21
756
0
21
1081
0
21
834
0
21
672
0
21
835
0
21
702
2
21
650
3
21
840
2
21
286
0
21
664
0
21
885
0
21
393
7
21
626
2
21
644
2
21
505
0
21
879
2
21
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Keyword(s): lesson 6