509
0
22
577
2
22
413
2
21
748
2
21
302
4
21
609
2
21
411
0
21
566
0
21
713
0
20
379
2
20
273
0
20
403
0
20
452
0
20
559
0
20
767
0
20
579
2
20
694
13
20
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Keyword(s): lesson4