661
1
20
985
0
20
883
0
20
425
0
20
746
0
20
690
2
20
721
0
20
596
0
20
1470
2
20
958
2
20
1001
3
20
1174
0
20
715
2
20
648
0
20
565
0
20
1157
0
20
1390
0
20
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Keyword(s): lesson 5