{"puzzle":{"W":6,"H":4,"walls":[],"pieces":[[[0,0]],[[0,0]],[[0,0]],[[0,0]],[[0,0]],[[0,0],[0,1]],[[0,0],[0,1]],[[0,0],[0,1]],[[0,0],[0,1],[1,1]],[[0,0],[1,0]],[[0,0],[1,0],[1,1]],[[0,1],[1,0],[1,1]]],"start":[[0,0],[0,1],[1,0],[4,0],[5,0],[0,2],[3,0],[4,2],[1,2],[4,1],[2,2],[1,0]],"goals":[{"i":11,"pos":[4,1]}]},"stars":3.7777777777777777}