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13 97 2 13 97 3 13 97 4 13 97 5 13 97 6 13 97 7 13 97 8 13 97 9 13 98 0 13 98 1 13 98 2 13 98 3 13 98 4 13 98 5 13 98 6 13 98 7 13 98 8 13 98 9 13 99 0 13 99 1 13 99 2 13 99 3 13 99 4 31911 31910 31909 31908 31907 31906 31905 31904 31903 31902 31901 31900 31899 31898 31897 31896 31895 31894 31893 31892 31891 31890

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