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61 42 2 61 42 3 61 42 4 61 42 5 61 42 6 61 42 7 61 42 8 61 42 9 61 43 0 61 43 1 61 43 2 61 43 3 61 43 4 61 43 5 61 43 6 61 43 7 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953

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