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37 54 37 55 37 56 37 57 37 58 37 59 37 60 37 61 37 62 37 63 37 64 37 65 37 66 37 67 37 68 37 69 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53

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