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."
Test if a Number is a Palindrome without using any String Operations
Construct a string from letters and counts
Calculate the Hamming distance between two strings
Who has power to do everything in this world?
Is this triangle right-angled?
2048 tile game
String substitution, sub problem to cryptoMath
Find best domino orientation
Getting logical indexes
Project Euler: Problem 4, Palindromic numbers
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