- I need to have a bicycle at Churchill to get home with this evening (unless I want to walk).
- I want to minimise the amount of effort expended.
- I have a Megarider ticket this week, so the incremental cost of bus travel is zero.
Now, my original sketch of a plan was to stay on the C4 until its route intersected that of the
This story fails to demonstrate the third perl virtue of routefinding.
 A placing move is typically one made to facilitate an expected future journey.
 Over distance the bus is less effort than cycling is less effort than walking. This reverses for suitably short journeys.