0
1
2
0
1
1
0
1
1
0
1
1
0
1
1
0
1
2
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
1
0
1
2
0
1
1
0
1
2
0
1
1
0
1
1
3
19
4
4
10
3
0
1
1
