>On Aug 20, 2015, at 9:13 AM, Dirk Laurie <dirk.laurie@gmail.com> wrote:
>Don't know B and D. I could never get my mind around J. It is
>one of the most cryptic languages ever invented, and I had the
>quick reference card (OK, not the full manual) open all the time.
>Try: https://en.wikipedia.org/wiki/Malbolge
Or, in the real world, Forth – That really did my head in!