# type: square
# fill: true
# title: Cat's Cradle
# source: https://flowpuzzlesolver.net/puzzles/18-cats-cradle/
....AB.....
.......CD..
...EF...C..
.B...GH....
.E......DH.
....IJ.....
.K.........
.....L.....
..F..J.AL..
.......K...
........IG.