Ferdynand Winiarczyk
Ferdynand Winiarczyk voted up Didge Doo's answer

I used to doodle when I was younger -- usually stars, squares, or sets of connected boxes. Later I became interested in numerical palindromes and whiled away a bit of time searching for them.
If you write down any number, then reverse it (I'll show you in a minute) and add them together, you … Read more