Coordinate X: Y: Search

77 90 77 91 77 92 77 93 77 94 77 95 77 96 77 97 77 98 77 99 78 00 78 01 78 02 78 03 78 04 78 05 78 06 78 07 78 08 78 09 78 10 78 11 78 12 78 13 78 14 78 15 78 16 78 17 78 18 78 19 78 20 9999 9998 9997 9996 9995 9994 9993 9992 9991 9990 9989 9988 9987 9986 9985 9984

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid