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97 8 97 9 98 0 98 1 98 2 98 3 98 4 98 5 98 6 98 7 98 8 1645 1644 1643 1642 1641 1640 1639 1638 1637 1636

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