0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
2
3
1
0
4
1
0
1
1
0
2
1
0
2
1
0
2
1
0
2
1
0
3
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
0
2
1
