[Guide] Old Ruins Veteran Cannon Guide
For the double block please ensure both blocking generals have left their garrisons before sending the veteran.
Thanks to pi314tyu for better setups for L1 and L2, and to Drunken_Abbott for pointing out a couple of typos... one of which could have been very costly (C instead of K)!
http://img823.imageshack.us/img823/9149/ow4p.jpg
Full size version here
Close ups for block locations follow:
Block 1
http://img15.imageshack.us/img15/8985/85lt.jpg
Block 2
http://img547.imageshack.us/img547/4868/mn4r.jpg