0
1
1
0
1
1
1
2
1
0
1
1
0
1
2
0
1
1
0
1
1
0
1
2
2
1
1
0
1
2
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
3
3
28
0
1
1
