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67 43 67 44 67 45 67 46 67 47 67 48 67 49 67 50 67 51 67 52 67 53 37115 37114 37113 37112 37111 37110 37109 37108 37107 37106

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