99.1
2    0 0 10   0 0 0   0 0 0
2    8 9 7   0 0 0   0 0 0
2    0 6 5   0 0 0   0 0 0
2    3 4 0   12 13 0   0 0 0
2    1 2 0   11 14 0   0 0 0