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21 51 9 21 52 0 21 52 1 21 52 2 21 52 3 21 52 4 21 52 5 21 52 6 21 52 7 21 52 8 21 52 9 21 53 0 21 53 1 21 53 2 21 53 3 21 53 4 21 53 5 21 53 6 21 53 7 21 53 8 21 53 9 21 54 0 21 54 1 47130 47129 47128 47127 47126 47125 47124 47123 47122 47121 47120 47119 47118 47117 47116 47115 47114 47113 47112 47111 47110 47109

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