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56 17 5 56 17 6 56 17 7 56 17 8 56 17 9 56 18 0 56 18 1 56 18 2 56 18 3 56 18 4 56 18 5 12544 12543 12542 12541 12540 12539 12538 12537 12536 12535

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