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51 47 2 51 47 3 51 47 4 51 47 5 51 47 6 51 47 7 51 47 8 51 47 9 51 48 0 51 48 1 51 48 2 51 48 3 51 48 4 51 48 5 51 48 6 51 48 7 18137 18136 18135 18134 18133 18132 18131 18130 18129 18128 18127 18126 18125 18124 18123

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