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