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53 7 53 8 53 9 54 0 54 1 54 2 54 3 54 4 54 5 54 6 54 7 3896 3895 3894 3893 3892 3891 3890 3889 3888 3887

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