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