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27 01 9 27 02 0 27 02 1 27 02 2 27 02 3 27 02 4 27 02 5 27 02 6 27 02 7 27 02 8 27 02 9 27 03 0 27 03 1 27 03 2 27 03 3 27 03 4 27 03 5 27 03 6 27 03 7 27 03 8 27 03 9 27 04 0 27 04 1 18990 18989 18988 18987 18986 18985 18984 18983 18982 18981 18980 18979 18978 18977 18976 18975 18974 18973 18972 18971 18970 18969

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