segments: non-random-walk-based mkinst.
segments: non-random-walk-based mkinst.

There is no more guarantee that all instances are solvable,
however, they are much more interesting.  Anyway, if you
have enough free space in the world than everything's going
to be solvable just fine.

eaburns/search,skiesel/search,skiesel/search,eaburns/search,eaburns/search,skiesel/search