How to Solve a Sliding Tile Puzzle, Step by Step
Top row first, then the left column, then repeat. A clear method for the 8-puzzle, the 15-puzzle and larger trays, with the trick for the last two tiles.
Riddle10 blog
Riddle10 blog
Top row first, then the left column, then repeat. A clear method for the 8-puzzle, the 15-puzzle and larger trays, with the trick for the last two tiles.