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37 89 9 37 90 0 37 90 1 37 90 2 37 90 3 37 90 4 37 90 5 37 90 6 37 90 7 37 90 8 37 90 9 37 91 0 37 91 1 37 91 2 37 91 3 37 91 4 37 91 5 37 91 6 37 91 7 37 91 8 37 91 9 37 92 0 37 92 1 682 681 680 679 678 677 676 675 674 673 672 671 670 669 668 667 666 665 664 663 662 661

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