<font face="Verdana, Arial, Helvetica, sans-serif" size="2">printed leaflet (received from LH's office, Gutenbergstrasse, Zürich, Switzerland) Star Alliance "Round the world" rules, for tickets bought and trips started in Switzerland, version june-2002: </font>
Time to check the rules again. Effective October 7, but apparently first conceived about the time of this thread, Star RTW rules now include:
<font face="Verdana, Arial, Helvetica, sans-serif" size="2">No more than 28 sectors permitted in an entire journey.</font>