{"puzzle":{"W":6,"H":6,"walls":[],"pieces":[[[0,0],[0,1],[0,2],[1,1]],[[0,0],[0,1],[1,0]],[[0,0],[0,1],[1,1]],[[0,0],[1,0],[1,1],[1,2]],[[0,0],[1,0],[1,1],[2,0]],[[0,1],[1,0],[1,1]],[[0,1],[1,0],[1,1],[1,2]]],"start":[[0,1],[1,0],[0,4],[2,1],[1,4],[3,4],[4,2]],"goals":[{"i":0,"pos":[4,1]}]},"stars":2.3333333333333335}