Saw a number of them like that in the 320 bid pack as well. Pretty much every redeye I saw is preceded by a 12-14 hour dayover. Some even had a double swap where you start early on day 1. Long duty day on day 2 to finish late-ish (after dinner time) for a short layover then early report on day 3 for one leg to a layover done at 8am so you can report at 10pm to fly a redeye. Very unsat.
DTW 320 6354 and L668 are good examples. If the suck. Lots of <12 hr layovers to boot.