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55 77 2 55 77 3 55 77 4 55 77 5 55 77 6 55 77 7 55 77 8 55 77 9 55 78 0 55 78 1 55 78 2 55 78 3 55 78 4 55 78 5 55 78 6 55 78 7 13137 13136 13135 13134 13133 13132 13131 13130 13129 13128 13127 13126 13125 13124 13123

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