1 1 1 2 x x
1 x x x 5 x
2 2 2 2 x 2 2 x
1 x x 2 2 1 1 1
2 2 1 x 1 0 1 1
2 x 3 x 2 1 1 1 1 x 3 x 2 1 0 1 x
x 2 3 x 2 2 x 2 2 3 x 3 2 0 0 1 1
2 2 2 2 2 4 x 3 1 x 3 x 1 0 0 1 1
2 x 1 2 x 4 x 2 2 2 3 1 1 0 0 2 x
x x 4 1 1 1 x 1 0 0 0 0 2 x
x x 5 2 2 1 0 0 0 1 1
2 x x x x 2 1 0 0 0 0
x 3 4 2 2 x 1 0 0 0 0
1 x 1 1 2 x 2 2 2 2 2 1 2 1
1 2 2 1 x 3 x 1 1 x 2 x 2 x
x x
1 1