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14 51 14 52 14 53 14 54 14 55 14 56 14 57 14 58 14 59 14 60 14 61 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968

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