Coordinate X: Y: Search

18 22 18 23 18 24 18 25 18 26 18 27 18 28 18 29 18 30 18 31 18 32 18 33 18 34 18 35 18 36 18 37 18 38 18 39 18 40 18 41 18 42 18 43 18 44 18 45 18 46 18 47 18 48 18 49 18 50 18 51 18 52 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967

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