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76 9 77 0 77 1 77 2 77 3 77 4 77 5 77 6 77 7 77 8 77 9 1559 1558 1557 1556 1555 1554 1553 1552 1551 1550

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