Andreas Leitgeb <Andreas.Leitgeb at siemens.at> wrote: >based on this kind of riddles, I've created a tcl/tk-prog, that >helps one solving it. someone asked (per email), so here it is: <http://avl.enemy.org/MyWorks/TclTk/> get "logik.tgz" PS: there is also some other stuff there ...