{"puzzle":{"W":5,"H":4,"walls":[],"pieces":[[[0,0]],[[0,0]],[[0,0]],[[0,0]],[[0,0],[0,1],[1,0]],[[0,0],[0,1],[1,1]],[[0,0],[1,0]],[[0,0],[1,0]],[[0,0],[1,0],[1,1]]],"start":[[0,3],[4,0],[4,2],[4,3],[2,0],[0,0],[0,2],[3,1],[2,2]],"goals":[{"i":5,"pos":[1,1]}]},"stars":3.3636363636363638}