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64 0 64 1 64 2 64 3 64 4 64 5 64 6 64 7 64 8 64 9 65 0 65 1 65 2 65 3 65 4 65 5 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