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27 01 3 27 01 4 27 01 5 27 01 6 27 01 7 27 01 8 27 01 9 27 02 0 27 02 1 27 02 2 27 02 3 18984 18983 18982 18981 18980 18979 18978 18977 18976 18975

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