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View on a range, reversing direction if necessary. More...
View on a range, reversing direction if necessary.
| Range | original range | 
| Direction | direction of iteration | 
| April 2, 2011 | Copyright © 2007-2011 Barend Gehrels, Amsterdam, the Netherlands Copyright © 2008-2011 Bruno Lalande, Paris, France Copyright © 2009-2010 Mateusz Loskot, London, UK |