Most Drastic Falsification?

[Bart Ingles]

Hugh R. Tobin wrote:
> 
> I submit that a more drastic form of tactical voting
> [...]
> is voting for one's last choice first,
> and as previously noted this tactic by a minority of the supporters of a
> candidate can sometimes work quite well in IRO.  The plurality wing
> tries to get the other (more extreme) wing to run second, so as to use
> the second choices of the middle to prevail.
> 
> -- Hugh Tobin

Not sure I follow -- can you put together an example?

Bart