10 30 0
 0 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1  0
 0  0  0  0  0  0  0  0 -1  0  0  0  0  0 -1  0  0  0  0 -1  0  0 -1  0  0  0  0  0  0 -1
 0 -1 -1  0  0  0 -1  0  0  0  0 -1  0  0  0  0  0 -1  0  0  0 -1  0  0 -1  0  0 -1  0 -1
 0  0  0 -1  0  0  0  0  0 -1  0  0  0 -1  0 -1  0  0  0 -1  0  0 -1  0  0  0  0  0  0 -1
 0  0  0  0 -1  0  0 -1  0  0  0 -1  0  0  0  0  0 -1  0  0  0 -1  0  0  0 -1  0  0  0 -1
 0  0  0  0  0 -1  0  0  0 -1  0  0  0  0 -1  0  0  0  0 -1  0  0  0  0  0  0  0  0  0 -1
 0  0  0  0  0  0 -1  0  0  0  0  0 -1  0  0  0  0 -1  0  0  0 -1  0 -1  0 -1  0  0  0 -1
 0 -1 -1 -1 -1 -1  0 -1  0 -1  0  0  0 -1  0  0  0  0  0 -1  0  0  0  0  0 -1  0  0  0 -1
 0  0  0  0  0  0  0  0  0  0  0 -1  0  0  0  0  0 -1  0  0  0 -1  0 -1  0 -1  0  0 -2 -1
 0 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1  0 -1 -1 -1 -1 -1 -1