0
1
1
0
1
1
0
1
2
0
1
1
0
1
3
0
1
1
1
2
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
2
2
12
23
1
1
2
0
1
1
0
1
0
0
1
1
0
1
1
1
2
1
