To truly understand the information given here you will need the new Cheshire guide; you can purchase it from here:
You will need to refer to the Pisa Wall Eliminate Bouldering section written by Ben Farley, page 174 to 179 (more specifically pages 178 and 179) where Ben has produced an excellent photo topo with all the holds on Pisa wall numbered.
|The bible of Pisa Wall eliminates.|
Week 1 - This week's problem is probably the most popular on the wall and, by my reckoning, soft at the grade; so get on it.
Silly Boy - V4.
Start matched on hold 7, reach up with the right hand to hold 21, move your left foot up to stabilise yourself, bring your left to hold 20, move your feet to bring your body weight over to the right, lock up to the small crimp/pocket with the right hand, get a left foot up and pop to the break with either hand.
Silly Boy V4 from Owen McShane on Vimeo.
Using a three finger stack in the rounded dishes (holds 20 and 21), will make things a lot easier.