204E to 158S to 256E to 664S... 664 goes down into Hocking Hills and is sick. Take 664 all the way to 56E, slow your pace when you see signs on 56 that say "Bump" (they're tearing up the road and it can get hairy), then take 374 back to 664... 664/56/374 is a nice little loop with some great twisties... And if you ever go to 555, just skip it and hit 377... It's a much better road... Clean.