{"puzzle":{"W":5,"H":5,"walls":[],"pieces":[[[0,0]],[[0,0],[0,1],[0,2]],[[0,0],[0,1],[0,2]],[[0,0],[0,1],[1,1]],[[0,0],[1,0],[1,1]],[[0,0],[1,0],[2,0]]],"start":[[0,1],[0,2],[1,2],[2,0],[2,3],[2,2]],"goals":[{"i":2,"pos":[4,2]}]},"stars":2.6666666666666665}