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13 99 14 00 14 01 14 02 14 03 14 04 14 05 14 06 14 07 14 08 14 09 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964

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