1
0
1
0
0
1
2
0
2
0
1
2
0
1
2
0
2
1
0
0
1
4
7
8
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
0
1
1
1
1
1
2
0
0
0
1
0
0
1
0
0
1
0
0
1
