 0   5 0 0 0  2  5 20 15 10 10 10 5
 1   5 5 0 0  1  0 15 15 10 10 5 5
 2   5 5 5 0  1  0 15 15 5 10 5 5
 3   5 5 5 5  0  0 10 15 5 10 5 0
 4   10 5 5 5  0  0 10 15 5 5 5 0
 5  10 10 5 5  0  0  5 15 5 5 0 0
 6  10 10 10 5  0  0  5 10 5 5 0 0

