510
0
22
578
2
22
416
2
21
755
2
21
310
4
21
618
2
21
417
0
21
568
0
21
383
2
20
721
0
20
279
0
20
410
0
20
453
0
20
571
0
20
775
0
20
584
2
20
703
13
20
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Keyword(s): lesson4