Check this out.
[0,8,0,1,0,1,0,1,0,1,0,8,0,1,0,1,0,0] [1,0,1,0,1,0,8,0,1,0,1,0,1,0,1,0,8,0] [0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1] [1,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,1,0] [0,1,0,0,0,5,0,4,0,0,0,0,0,0,0,0,0,1] [2,0,0,0,5,0,0,0,4,0,0,0,0,0,0,0,1,0] [0,0,0,3,0,6,0,0,0,4,0,0,0,0,0,0,0,8] [0,0,3,0,8,0,3,0,0,0,4,0,0,0,0,0,1,0] [0,4,0,4,0,6,0,6,0,0,0,4,0,0,0,0,0,1] [0,0,3,0,4,0,0,0,2,0,0,0,3,0,0,0,1,0] [0,3,0,0,0,3,0,0,0,0,0,4,0,0,0,0,0,1] [8,0,0,0,3,0,0,0,0,0,0,0,3,0,0,0,8,0] [0,0,0,4,0,6,0,0,0,0,0,4,0,0,0,0,0,1] [0,0,0,0,5,0,0,0,0,0,0,0,1,0,0,0,1,0] [0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1] [0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0] [0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,8] [0,0,0,0,0,0,0,0,0,0,0,0,8,0,1,0,1,0] [0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0]
Great puzzler.