0
1
1
0
1
1
0
1
1
1
2
4
0
1
1
0
1
1
0
3
4
0
1
1
0
2
6
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
2
5
0
0
1
0
1
1
0
2
8
0
1
1
0
1
1
