Simplify the BfsGameSolver a bit more
Add (failing) tests for ReadShow. Anticipate fixed jellies.
Don't use applyMerging in load, but real links from description string
Make Jelly.Game an instance of Read
Read/show jellies fixed to walls
Fix indentation
Implement gravity and moves for fixed jellies
Add level 7 (solved in a few seconds)
Fix bug when merging fixed jellies (and solve level 8)