9 9 1
aaabbbccc
ajabkbclc
aaabbbccc
dddeeefff
dmdenefof
dddeeefff
ggghhhiii
gpghqhiri
ggghhhiii
5...9..1.
.3....4..
..3.....5
...2.5..6
..6...2..
2..4.8...
6.....8..
..9....7.
.7..1...3