0
dirty
2
1
2
1
1
2
2
2
2
2
2
3
1
1
1
1
2
1
2
1
1
2
1
1
0
1
1
1
2
1
2
0
2
2
3
3
1
0
3
5
5
6
3
3
4
2
2
2
2
1
3
4
3
2
4
2
1
2
0
