2
1
1
0
0
1
0
0
1
0
0
1
1
0
1
1
3
1
0
0
1
0
1
1
0
0
1
0
0
1
0
0
1
0
1
1
0
1
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
1
1
2
18
44
