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81 04 81 05 81 06 81 07 81 08 81 09 81 10 81 11 81 12 81 13 81 14 81 15 81 16 81 17 81 18 81 19 9707 9706 9705 9704 9703 9702 9701 9700 9699 9698 9697 9696 9695 9694 9693

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