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14 58 14 59 14 60 14 61 14 62 14 63 14 64 14 65 14 66 14 67 14 68 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968

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