899
2
20
812
0
20
786
0
20
584
0
20
721
0
20
975
2
20
516
2
20
353
0
20
430
0
19
1351
2
19
764
0
19
778
0
19
1027
0
19
516
0
19
574
0
19
1221
0
19
538
2
19
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Keyword(s): lesson 2