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76 8 76 9 77 0 77 1 77 2 77 3 77 4 77 5 77 6 77 7 77 8 1408 1407 1406 1405 1404 1403 1402 1401 1400 1399

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