poly (45,40)(40,40)(35,40)(35,35)(40,35)(40,30)(40,25)(35,25)(35,30)(30,30)(30,25)(25,25)(25,30)(25,35)(30,35)(30,40)(25,40)(20,40)(20,35)(15,35)(15,40)(10,40)(5,40)(5,35)(10,35)(10,30)(5,30)(5,25)(10,25)(15,25)(15,30)(20,30)(20,25)(20,20)(20,15)(15,15)(15,20)(10,20)(5,20)(5,15)(10,15)(10,10)(5,10)(5,5)(10,5)(15,5)(15,10)(20,10)(20,5)(25,5)(30,5)(30,10)(25,10)(25,15)(25,20)(30,20)(30,15)(35,15)(35,20)(40,20)(40,15)(40,10)(35,10)(35,5)(40,5)(45,5)
