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55 9 56 0 56 1 56 2 56 3 56 4 56 5 56 6 56 7 56 8 56 9 1474 1473 1472 1471 1470 1469 1468 1467 1466 1465

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