0 2 0 0 0 0
0 2 0 0 3 0
0 2 2 0 3 0
0 2 2 0 3 3
x x 0 0 0 0
x x 0 12 12 12
x x 0 9 8 7
x x 2 4 3 3
0 x 0 0 0 0
x 10 12 12 12 0