Alternative circle constant promoted by Michael Hartl (see 1A1APart of a circle's circumference[---], 12A12APart of Monaco, or a type of simulation to estimate 39A[----------], 20A20ALike an ineffective reply-guy on twitter? Or, why 44/7 and others will never define 39A[-----------], and 32A32AWhere you might eat half of 39A?[----------])