if you assume that `a' is the first digit after 9.

See Tony, we got to your “Bible Hex” anyway!

Of course, I could go on a rant about how chapters and verses weren't added to the Bible until at least the 13th century, but I'll avoid it for now.

I don't know anyone who claims the numbering system is divinely inspired (and if you have a link at the ready to prove me wrong, don't bother. There are all kinds of strange ideas out there!). In fact, a great number of the chapter breaks are disconcerting at best and lead to misinterpretation at worst.