 2 2 1 0 1 2
 1 2 2 1 1 1 0 2 2 0
 1 1 2 2 -1 1
 2 1 2 3 0 0 0 1 1 0
 1 1 1 2 1 1
 1 2 2 5 1 1 0 2 2 0
 1 1 2 2 -1 1
 1 1 2 7 0 0 0 2 2 0
 0 1 1 0 -1 1
 0 0 0 0 0 0 0 0 0 0
 0 0 0 0 0 0 0 0 0 0
