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55 64 55 65 55 66 55 67 55 68 55 69 55 70 55 71 55 72 55 73 55 74 9804 9803 9802 9801 9800 9799 9798 9797 9796 9795

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