banginstall asked: think I brainfarted (I don't think you can review these things). all those 1/5's should be 1/6's, i.e. 1/2*1/3*1*1, 1/2*1*1/3*1 etc, and there are 6 permutations (3*2*1)
Hello, thanks for that. I got my answer in the end. Basically I was right in my thinking about it, and the guy that I was discussing it with on twitter got the point in the end :)
