Aloha Mitch ... from Erik ... Erik DeBenedictis <
erikdebenedictis@gmail.com>
"Ha ha!
You can tell Mitch that my previous experience with EDA tools was reading the chapters of Mead and Conway printed on an XGP in 1977-1978 and then submitting spice card decks to the 370 at Caltech. You can tell Mitch that I'd be glad for some coaching.
The page
https://revcomp.org/make-a-chip/ has been updated several times since the figure he marked up. The caption on Fig. 2 has been changed to indicate it is a planning step to work out symmetries of a reversible circuit and not intended to be complete: Fig. 2. Early version of the Q2LAL replicable unit in Magic.
However, if you read the current version of the page, you will see that I layed out a single phase that passes DRC. I extracted it with PEX and simulated it with ngspice along with other circuits that have not been laid out.