On 4 September 2012 at 8:43, Don Morrison said: > On Tue, Sep 4, 2012 at 8:06 AM, Alexander Holroyd <holroyd at math.ubc.ca> > wrote: > before someone brings up New Grandsire... ; > > Or just plain, old Grandsire. For "symmetric," please read "with the > usual, palindromic symmetry around the treble's path." "... single hunt ..."