270
0
3
200
0
3
253
0
3
202
0
3
191
0
3
56
0
2
104
0
2
63
0
2
188
2
2
123
0
2
204
0
2
160
1
2
150
0
2
230
0
2
227
0
2
236
0
2
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Keyword(s): lesson1