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70 6 70 7 70 8 70 9 71 0 71 1 71 2 71 3 71 4 71 5 71 6 1018 1017 1016 1015 1014 1013 1012 1011 1010 1009

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