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23 68 8 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 45122 45121 45120 45119 45118 45117 45116 45115 45114 45113 45112 45111 45110 45109 45108 45107 45106 45105 45104 45103 45102 45101

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