Hacker News Reader

Here's a deduce-the-rule problem that completely stumped me until I wrote down a series of examples: https://illuminations.nctm.org/lessons/petals/petals.htm

View on HN

It seems trivial from the name and I always get the same answer as it gives; is there a way to confirm my rule?

Spoiler?, ROT-13: Zl vagrecergngvba bs gur ehyr: "Crgnyf nebhaq gur ebfr" zrnaf pbeare qbgf nebhaq n pragre qbg, fb gjb sbe ebyyvat n guerr naq sbhe sbe ebyyvat n svir; mreb sbe nyy bgure ebyyf, nf gurl unir ab pragre qbg. Lrf, gur vafgehpgvba nobhg gur anzr orvat vzcbegnag jnf fb üore-boivbhf gung guvf jnf zl ulcbgurfvf rira orsber zl svefg tynapr ng gur qvpr.

Reply on news.ycombinator.com