# type: square
# fill: true
# title: Knife Ridge
# source: https://flowpuzzlesolver.net/puzzles/20-knife-ridge/
.A...BC.....
.B.DC.......
..E......FG.
..HIG......D
...........F
..........H.
...EJ.....I.
......K.....
L.........MN
..J....MA...
.....O....NO
...L.K......