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21 09 21 10 21 11 21 12 21 13 21 14 21 15 21 16 21 17 21 18 21 19 21 20 21 21 21 22 21 23 21 24 38897 38896 38895 38894 38893 38892 38891 38890 38889 38888 38887 38886 38885 38884 38883

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