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37 90 7 37 90 8 37 90 9 37 91 0 37 91 1 37 91 2 37 91 3 37 91 4 37 91 5 37 91 6 37 91 7 37 91 8 37 91 9 37 92 0 37 92 1 37 92 2 37 92 3 37 92 4 37 92 5 37 92 6 37 92 7 37 92 8 37 92 9 851 850 849 848 847 846 845 844 843 842 841 840 839 838 837 836 835 834 833 832 831 830

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