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21 5 21 6 21 7 21 8 21 9 22 0 22 1 22 2 22 3 22 4 22 5 1954 1953 1952 1951 1950 1949 1948 1947 1946 1945

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