488
2
17
645
5
17
690
4
17
1627
0
17
444
0
17
864
4
17
745
0
17
348
0
17
315
6
17
539
3
17
743
5
17
885
0
17
634
2
17
273
0
17
277
0
17
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Keyword(s): lesson2