Etc.

<P>What are all of the hardest problems and possibilities that are connected
with a single, random or particular, thing?

<P>Where would all of the examples of hardest things that were mentioned
above fall on a universal scale of degrees of hardness? Which of the things
would be most ambiguous or hard to place on such a scale?

<P>What hierarchies of hardest things are there? Also what series, networks,
trees, rings (sic), clusters, etc?

<P>Which of the things listed above should be tackled first and