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51 77 2 51 77 3 51 77 4 51 77 5 51 77 6 51 77 7 51 77 8 51 77 9 51 78 0 51 78 1 51 78 2 51 78 3 51 78 4 51 78 5 51 78 6 51 78 7 17797 17796 17795 17794 17793 17792 17791 17790 17789 17788 17787 17786 17785 17784 17783

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