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49 71 9 49 72 0 49 72 1 49 72 2 49 72 3 49 72 4 49 72 5 49 72 6 49 72 7 49 72 8 49 72 9 20147 20146 20145 20144 20143 20142 20141 20140 20139 20138

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