Coordinate X: Y: Search Zoom In Zoom Out

18 16 18 17 18 18 18 19 18 20 18 21 18 22 18 23 18 24 18 25 18 26 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966

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