Coordinate X: Y: Search

31 20 31 21 31 22 31 23 31 24 31 25 31 26 31 27 31 28 31 29 31 30 31 31 31 32 31 33 31 34 31 35 31 36 31 37 31 38 31 39 31 40 31 41 31 42 31 43 31 44 31 45 31 46 31 47 31 48 31 49 31 50 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964

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