Coordinate X: Y: Search

72 90 72 91 72 92 72 93 72 94 72 95 72 96 72 97 72 98 72 99 73 00 73 01 73 02 73 03 73 04 73 05 73 06 73 07 73 08 73 09 73 10 73 11 73 12 73 13 73 14 73 15 73 16 73 17 73 18 73 19 73 20 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974

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