How to Solve a 3 by 3 Slide Puzzle: 9 Steps (with Pictures)
Sliding Block Puzzle Game
Sliding Puzzle - Solving Search Problem with Iterative Deepening A* | by Greg Surma | Medium
GitHub - mustang519/SLIDING-PUZZLE-SOLVER: A CPP based solver of the game SLIDING PUZZLE using Breadth First Search , A* and Iterative Deepening A* algorithms.