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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 8208 8207 8206 8205 8204 8203 8202 8201 8200 8199 8198 8197 8196 8195 8194

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