670
0
20
1035
1
20
1069
0
20
956
0
20
641
0
20
1627
2
20
659
2
20
806
0
20
864
9
20
642
2
20
688
0
20
901
0
20
399
0
20
746
2
20
364
0
20
583
0
20
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Keyword(s): lesson5