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50 9 51 0 51 1 51 2 51 3 51 4 51 5 51 6 51 7 51 8 51 9 52 0 52 1 52 2 52 3 52 4 52 5 52 6 52 7 52 8 52 9 53 0 53 1 803 802 801 800 799 798 797 796 795 794 793 792 791 790 789 788 787 786 785 784 783 782

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