You'll end up with 12 each of the B-in-the-middle and the C-in-the-middle units. Be careful cutting as getting 6 3-1/2" cuts from the strips is *very* tight. I got a teensy bit of selvage in a couple of mine.
The steps so far have been quick and easy! Here's step 3:
Moving along! LOL at the befuddled hubbies--yes, the mystery is the fun of it!
--Q