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31 87 9 31 88 0 31 88 1 31 88 2 31 88 3 31 88 4 31 88 5 31 88 6 31 88 7 31 88 8 31 88 9 31 89 0 31 89 1 31 89 2 31 89 3 31 89 4 31 89 5 31 89 6 31 89 7 31 89 8 31 89 9 31 90 0 31 90 1 37910 37909 37908 37907 37906 37905 37904 37903 37902 37901 37900 37899 37898 37897 37896 37895 37894 37893 37892 37891 37890 37889

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