813
0
20
904
0
20
527
0
20
622
1
20
808
0
20
689
0
20
958
0
20
659
2
20
1388
2
20
599
0
20
670
0
20
1110
0
20
971
3
20
645
2
20
901
2
20
1149
0
20
1071
0
20
673
0
20
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Keyword(s): lesson 6