1
strip
0
1
0
2
2
0
1
2
2
1
1
2
1
2
2
2
3
4
2
1
1
5
3
1
1
0
4
1
1
1
2
4
2
4
1
1
1
2
1
0
1
1
1
7
0
3
1
2
2
