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23 68 9 23 69 0 23 69 1 23 69 2 23 69 3 23 69 4 23 69 5 23 69 6 23 69 7 23 69 8 23 69 9 23 70 0 23 70 1 23 70 2 23 70 3 23 70 4 23 70 5 23 70 6 23 70 7 23 70 8 23 70 9 23 71 0 23 71 1 45140 45139 45138 45137 45136 45135 45134 45133 45132 45131 45130 45129 45128 45127 45126 45125 45124 45123 45122 45121 45120 45119

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