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