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39 87 39 88 39 89 39 90 39 91 39 92 39 93 39 94 39 95 39 96 39 97 37687 37686 37685 37684 37683 37682 37681 37680 37679 37678

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