484
0
15
596
0
15
279
0
15
466
0
15
311
4
15
535
0
15
1452
16
15
509
0
14
979
4
14
785
1
14
747
0
14
505
0
14
565
0
14
447
0
14
480
0
14
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Keyword(s): lesson 1