I opted for the Cairnwell 3 since it gave me many jumping off points if I felt things weren't going well - that, and you start off about two-thirds of the way up them anyway.

No point waffling on about this, that and the other since the Cairwell 3 are, well, 'non descript' to put it politely.
Having said that, here is a route map followed by a selection of photos...