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13 73 2 13 73 3 13 73 4 13 73 5 13 73 6 13 73 7 13 73 8 13 73 9 13 74 0 13 74 1 13 74 2 13 74 3 13 74 4 13 74 5 13 74 6 13 74 7 54377 54376 54375 54374 54373 54372 54371 54370 54369 54368 54367 54366 54365 54364 54363

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