328
4
21
758
2
21
585
0
21
624
2
21
272
2
21
420
0
21
288
0
20
402
2
20
749
0
20
410
2
20
787
3
20
463
0
20
591
0
20
784
0
20
640
1
20
596
2
20
733
13
20
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Keyword(s): lesson6