Brain Teaser: Follow The Designing

One of my weblog readers mailed me this puzzle before this year. Warning: it's a tough one!

I honey getting post service at schoolhouse that isn't people trying to sell me stuff...

He fifty-fifty provided me amongst an reply that was hidden together with thus I couldn't cheat.

I pondered this puzzle for WEEKS. I showed it to my sister. She was stumped, too. I showed it to about students who happened to locomote hanging out inwards my room at lunch. We could non figure it out.

I truly never ended upwardly figuring it out myself. I tweeted well-nigh trying to solve it, together with somebody tweeted dorsum amongst the reply to the puzzle fifty-fifty though I had specified "no spoilers, please."

After seeing the answer, I'm non certain if I would bring always truly come upwardly up amongst the reply myself. But, I gauge I'll never know now. It's a practiced reminder to me to non rank the answers away likewise rapidly to my students.

Enjoy. :D

And, please, no spoilers inwards the comments for those who desire to play along.