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13 05 13 06 13 07 13 08 13 09 13 10 13 11 13 12 13 13 13 14 13 15 13 16 13 17 13 18 13 19 13 20 2159 2158 2157 2156 2155 2154 2153 2152 2151 2150 2149 2148 2147 2146 2145

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