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21 9 22 0 22 1 22 2 22 3 22 4 22 5 22 6 22 7 22 8 22 9 23 0 23 1 23 2 23 3 23 4 23 5 23 6 23 7 23 8 23 9 24 0 24 1 57701 57700 57699 57698 57697 57696 57695 57694 57693 57692 57691 57690 57689 57688 57687 57686 57685 57684 57683 57682 57681 57680

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