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37 79 7 37 79 8 37 79 9 37 80 0 37 80 1 37 80 2 37 80 3 37 80 4 37 80 5 37 80 6 37 80 7 1113 1112 1111 1110 1109 1108 1107 1106 1105 1104

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