1247
4
45
1618
3
45
967
8
44
2475
5
43
2860
0
43
2863
1
43
1377
0
42
1542
4
42
1070
4
41
672
2
40
633
2
39
521
8
39
1425
2
39
1344
0
39
1993
0
39
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Keyword(s): lesson1