This project illustrates how to solve constrain satisfaction problems using backtracking algorithm.
video: http://www.youtube.com/watch?feature=player_embedded&v=jCj2diFhNRs
Download: svn co https://github.com/junedmunshi/SampleCode/trunk/AI/SudokuSolver
Dependancy: pygame
Run : python demo.py
To do: Implement Forward Checking, Arc Consistency .