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17 89 2 17 89 3 17 89 4 17 89 5 17 89 6 17 89 7 17 89 8 17 89 9 17 90 0 17 90 1 17 90 2 17 90 3 17 90 4 17 90 5 17 90 6 17 90 7 50626 50625 50624 50623 50622 50621 50620 50619 50618 50617 50616 50615 50614 50613 50612

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