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13 28 9 13 29 0 13 29 1 13 29 2 13 29 3 13 29 4 13 29 5 13 29 6 13 29 7 13 29 8 13 29 9 13 30 0 13 30 1 13 30 2 13 30 3 13 30 4 13 30 5 13 30 6 13 30 7 13 30 8 13 30 9 13 31 0 13 31 1 54680 54679 54678 54677 54676 54675 54674 54673 54672 54671 54670 54669 54668 54667 54666 54665 54664 54663 54662 54661 54660 54659

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