643
2
21
625
2
21
503
0
21
300
0
21
884
0
21
834
0
21
672
0
21
763
6
21
736
1
21
1079
0
21
756
0
21
474
1
21
1075
0
21
685
1
20
424
0
20
1109
0
20
642
2
20
970
3
20
894
2
20
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Keyword(s): lesson5