Coordinate X: Y: Search

89 90 89 91 89 92 89 93 89 94 89 95 89 96 89 97 89 98 89 99 90 00 90 01 90 02 90 03 90 04 90 05 90 06 90 07 90 08 90 09 90 10 90 11 90 12 90 13 90 14 90 15 90 16 90 17 90 18 90 19 90 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