[jackzhuo]

That's a really cool fact about the archaeology!

To be honest, my reason for picking this method was simple: I was reading a book about the I Ching that described the different ways to cast hexagrams.

The Yarrow Stalk method stood out to me because it felt more mysterious—in the past, it seemed like a secret method known only by a few experts.

Also, from a coding perspective, this algorithm was just much more interesting to build than a simple coin toss!