2
0 5 4 5
4 5 4 1
2
4/1 5/1 4/1 1/1
0/1 5/1 4/1 5/1
3
0/1 5/1
4/1 1/1
4/1 5/1
0
1
2
4/1 5/1 4/1 1/1
0/1 5/1 4/1 5/1
