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33 40 33 41 33 42 33 43 33 44 33 45 33 46 33 47 33 48 33 49 33 50 33 51 33 52 33 53 33 54 33 55 33 56 33 57 33 58 33 59 33 60 33 61 33 62 33 63 33 64 33 65 33 66 33 67 33 68 33 69 33 70 1979 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