A traverse of the east wall, starting as for 'Orca'.
Climb 'Orca', then trverse L into the corner of 'Rock of ages'. Move up for a few feet, then traverse L using a large pocket to reach a ledge (crux). Continue L to the arete and either finish up this as for 'crossing the rubicon' (5b), or swing round into the groove and finish as for Chimp (4b)
Alan Hill, Richard Geering 21/Feb/1988