667
6
23
336
1
23
338
0
22
523
0
22
594
2
22
558
2
22
328
4
21
758
2
21
585
0
21
389
0
21
535
2
21
453
0
20
591
0
20
596
2
20
461
0
20
640
1
20
288
0
20
327
0
20
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Keyword(s): lesson 8