2,8,8,1,8,1,8,5,
4,0,0,0,z,0,z,4,
6,z,0,0,0,0,2,8,
4,0,0,0,0,0,0,0,
6,0,0,z,0,0,0,0,
4,0,0,0,0,0,7,2,
4,z,0,0,z,0,0,4,
7,8,8,1,8,1,8,3