4
0 4 4 4
4 4 4 0
0 0 4 0
0 4 0 0
4
0/1 4/1 0/1 0/1
0/1 0/1 4/1 0/1
4/1 4/1 4/1 0/1
0/1 4/1 4/1 4/1
4
0/1 0/1
0/1 4/1
4/1 0/1
4/1 4/1
0
2
4
0/1 4/1 0/1 0/1
0/1 0/1 4/1 0/1
4/1 4/1 4/1 0/1
0/1 4/1 4/1 4/1

