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27 99 5 27 99 6 27 99 7 27 99 8 27 99 9 28 00 0 28 00 1 28 00 2 28 00 3 28 00 4 28 00 5 40914 40913 40912 40911 40910 40909 40908 40907 40906 40905

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