Coordinate X: Y: Search

90 22 90 23 90 24 90 25 90 26 90 27 90 28 90 29 90 30 90 31 90 32 90 33 90 34 90 35 90 36 90 37 90 38 90 39 90 40 90 41 90 42 90 43 90 44 90 45 90 46 90 47 90 48 90 49 90 50 90 51 90 52 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962

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