You're right. I goofed on my analysis. Instead of chose, it's indeed a factorial. You're also right, you can chose up to 9 dots, so indeed it is up to 9! comb

You're right. I goofed on my analysis. Instead of chose, it's indeed a factorial. You're also right, you can chose up to 9 dots, so indeed it is up to 9! combinations. Thanks for catching that.