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
0
9
1
0
4
2
0
2
1
0
2
1
0
3
1
0
2
1
27
48
9
0
2
1
0
2
1
