677
2
20
1389
0
20
883
0
20
596
0
20
2069
12
20
425
0
20
746
0
20
395
0
20
643
2
20
802
2
20
421
3
20
648
0
20
565
0
20
720
0
20
1176
2
20
955
3
20
739
0
20
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Keyword(s): lesson 2