0,0,4,0,0,4,0,0,
0,0,4,z,0,4,0,0,
8,8,3,0,z,7,8,8,
0,0,a,0,z,a,0,0,
z,0,0,z,0,0,0,z,
8,8,a,0,z,2,8,8,
0,0,4,z,0,4,0,0,
0,0,4,0,0,4,0,0