927
0
21
1046
8
21
506
1
21
916
0
21
862
0
21
1124
0
21
742
2
21
656
2
21
772
0
21
900
2
21
875
2
21
307
0
21
663
3
21
737
0
21
659
2
21
407
7
21
1117
0
21
713
0
21
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Keyword(s): lesson 1