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 17159 17158 17157 17156 17155 17154 17153 17152 17151 17150 17149 17148 17147 17146 17145 17144

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