I'm thinking I shouldn't have made my first IV-RNG project one that was for a certain hidden power :( my target frame's 15 at a 602 delay, and my whole night was:
18
17
14 - 608
14 - 598 (hit this one twice)
14 - 604
15 - 608
15 - 600
15 - 612
14 - 604
15 - 598
14 - 608
15 - 606
Oh I also didn't use a fast hatch code until the last few, which was a really dumb move on my end. Eevee eggs take FOREVER to hatch.