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21 8 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 57731 57730 57729 57728 57727 57726 57725 57724 57723 57722 57721 57720 57719 57718 57717 57716 57715 57714 57713 57712 57711 57710

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