0
1
1
0
1
1
2
1
1
0
1
1
0
1
1
0
1
1
0
2
1
0
2
1
0
2
1
0
1
1
15
15
3
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
5
7
0
2
1
