0,0,4,0,0,4,0,0,
0,0,4,z,0,4,0,0,
8,8,3,0,0,4,0,0,
0,0,z,0,0,4,0,0,
0,0,0,0,0,4,0,0,
8,8,5,0,0,4,0,0,
0,0,4,0,z,4,0,0,
0,0,4,0,0,4,0,0