Here’s my solution (it’s the one in the book):
And here’s the link:
http://www.lodev.org/jstumble/?board=reeagfrafeafergaferfeeagferafeafelgaeel
Description: Four latches create a reset for the 4 starting gear bits. The hardest part of this one is figuring out how to get all 4 latches in the space of the board.