Changes to stamp 50156

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March 31, 2019, 1:26 am UTC . . Stan Shebs . . update - cv -> a
June 2, 2018, 12:56 pm UTC . . Stan Shebs . . update - perf unset -> 14x14.25
December 3, 2011, 7:25 am UTC . . Stan Shebs . . update - denom 2pf -> 2pf