Spoiler for similar
Ooh, actually Plasmid's answer was the one I was thinking of, but I like that one too...a man after my own quantum mechanical heart . And I appreciate your thoughtfulness , but nah, unlike this, which does have an unsolved second layer, these CtL's are suppose to be kinda straightforward (well, other than the playful double meanings ;P), and, hopefully, kinda fun.
And I'm saving up my super crazy complex puzzles for...
Anyways, giving credit where credit is due: