424
7
21
749
2
21
867
0
21
722
0
21
911
2
21
684
0
21
987
2
21
503
0
21
741
0
21
489
0
21
885
1
21
679
2
21
661
1
21
882
6
21
968
5
21
1186
0
21
827
1
21
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Keyword(s): lesson 5