Coordinate X: Y: Search

53 20 53 21 53 22 53 23 53 24 53 25 53 26 53 27 53 28 53 29 53 30 53 31 53 32 53 33 53 34 53 35 53 36 53 37 53 38 53 39 53 40 53 41 53 42 53 43 53 44 53 45 53 46 53 47 53 48 53 49 53 50 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