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57 0 57 1 57 2 57 3 57 4 57 5 57 6 57 7 57 8 57 9 58 0 58 1 58 2 58 3 58 4 58 5 58 6 58 7 58 8 58 9 59 0 59 1 59 2 59 3 59 4 59 5 59 6 59 7 59 8 59 9 60 0 676 675 674 673 672 671 670 669 668 667 666 665 664 663 662 661 660 659 658 657 656 655 654 653 652 651 650 649 648 647

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