I did the same thing; I split up my boards up according to the Q3 rule. In addition, I have also written subscripts to designate which ones are F,N, & W.
Ahh, that would be it then. Yes, it's **PT31.S1.G1** instead of **G2**, which was what is meant to be part of the In/Out Problem Set. The correct version is available for print on that page now:
https://7sage.com/lesson/inout-game-problem-set-3/