<Li> 3rd: March 7, 2012; 5 years ago (2012 - 03 - 07) </Li> <Li> 3rd Rev A: January 28, 2013; 4 years ago (2013 - 01 - 28) </Li> <Li> 4th: October 30, 2015; 22 months ago (2015 - 10 - 30) </Li> <Li> 5th (4K): September 22, 2017; 2 days' time (2017 - 09 - 22) </Li>

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