This is the first assignment from the AI Columbia X micromaster - Week 2 & 3 Assignment 1: Develop an algorithm to resolve the 8puzzle game using: BFS (Breadth First Search), DFS (Depth First Search) and A* (Astar) strategies. Note queueing and dequeuing methods are to use the order of UDLR ('Up', 'Down', 'Left', 'Right').