Coordinate X: Y: Search

71 90 71 91 71 92 71 93 71 94 71 95 71 96 71 97 71 98 71 99 72 00 72 01 72 02 72 03 72 04 72 05 72 06 72 07 72 08 72 09 72 10 72 11 72 12 72 13 72 14 72 15 72 16 72 17 72 18 72 19 72 20 1889 1888 1887 1886 1885 1884 1883 1882 1881 1880 1879 1878 1877 1876 1875 1874

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