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61 44 2 61 44 3 61 44 4 61 44 5 61 44 6 61 44 7 61 44 8 61 44 9 61 45 0 61 45 1 61 45 2 61 45 3 61 45 4 61 45 5 61 45 6 61 45 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