this is the commented version of my previous entry (solution 181910)
this is my original submission modified for ease of reading
whoops, didn't see your thing about "easy to understand code."
It dseon't mettar waht oedrr the lrettes in a wrod are.
Person of interest?
How many trades represent all the profit?
Generate a string like abbcccddddeeeee
Poker Series 03: isFullHouse
Project Euler: Problem 7, Nth prime
Poker Series 10: bestHand
Poker Series 06: isThreeKind
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