Balancer layouts can be auto-generated using Factorio-SAT.
https://github.com/R-O-C-K-E-T/Factorio-SAT
https://www.reddit.com/r/factorio/comments/u7zv6d/balancer_book_update_spring_2022/i5hvmxw/
Preview
Blueprint preview images are temporarily unavailable (still working on updating the renderer 😅)