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89 7 89 8 89 9 90 0 90 1 90 2 90 3 90 4 90 5 90 6 90 7 90 8 90 9 91 0 91 1 91 2 2614 2613 2612 2611 2610 2609 2608 2607 2606 2605 2604 2603 2602 2601 2600

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