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12 87 9 12 88 0 12 88 1 12 88 2 12 88 3 12 88 4 12 88 5 12 88 6 12 88 7 12 88 8 12 88 9 12 89 0 12 89 1 12 89 2 12 89 3 12 89 4 12 89 5 12 89 6 12 89 7 12 89 8 12 89 9 12 90 0 12 90 1 55000 54999 54998 54997 54996 54995 54994 54993 54992 54991 54990 54989 54988 54987 54986 54985 54984 54983 54982 54981 54980 54979

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