0
1
2
4
0
0
1
0
1
3
1
1
0
2
0
1
1
0
1
1
0
0
1
0
2
0
0
2
1
0
0
0
1
2
0
1
2
1
0
1
0
1
2
0
0
1
0
1
0
2
0
0
0
0
0
1
0
0
0
1
0
8
2
1
1
2
0
0
1
1
1
0
2
0
0
1
0
2
1
2
1
2
0
0
1
0
0
1
1
0
0
1
0
0
1
1
2
0
1
0
2
0
0
0
0
0
0
3
1
2
7
1
1
0
1
0
2
0
1
1
0
1
1
0
0
1
1
2
0
2
1
1
0
0
1
2
1
0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
0
1
0
1
0
2
3
6
1
1
0
1
0
3
1
0
1
1
0
1
0
1
0
1
0
2
0
1
0
0
0
0
1
0
1
1
2
0
0
2
0
2
1
1
1
0
2
0
0
0
0
1
2
0
2
1
0
0
3
1
2
0
1
1
0
2
0
1
0
0
0
0
0
0
1
2
0
2
1
2
0
1
2
0
0
2
2
4
0
5
1
0
0
2
1
0
2
0
0
0
0
0
0
1
1
1
0
6
0
1
0
0
1
0
2
0
11
0
0
0
2
0
1
2
0
0
3
0
0
0
0
0
0
1
1
