0
1
1
1
0
0
1
2
1
2
1
0
0
1
1
2
1
2
1
1
0
0
0
0
0
0
1
2
1
1
0
0
0
1
1
1
0
1
1
0
0
0
1
1
1
2
2
2
1
0
0
2
2
2
1
1
1
0
0
1
1
1
1
1
1
1
0
0
1
1
1
0
1
1
1
0
0
1
2
2
1
1
2
1
0
0
2
1
2
1
1
0
0
3
4
1
1
1
1
1
1
0
3
3
0
0
0
1
1
0
3
3
0
0
0
1
1
1
0
2
2
0
1
1
1
2
2
1
2
2
2
0
1
1
1
1
1
0