509
0
15
561
0
15
790
0
15
255
0
15
411
2
15
317
0
15
552
0
15
1127
7
15
477
0
15
618
0
15
1668
16
15
1625
1
14
640
0
14
576
0
14
533
0
14
775
0
14
398
0
14
456
1
14
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Keyword(s): lesson 2