3
strip
0
1
4
0
0
3
1
3
2
0
1
6
4
1
1
1
3
2
1
1
2
2
0
1
1
3
1
1
1
0
1
1
0
0
3
3
0
7
2
1
2
7
4
1
1
1
1
1
1
