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12 57 12 58 12 59 12 60 12 61 12 62 12 63 12 64 12 65 12 66 12 67 12 68 12 69 12 70 12 71 12 72 1935 1934 1933 1932 1931 1930 1929 1928 1927 1926 1925 1924 1923 1922 1921

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