Shaft01
As Skulemate has said, this topic has been brought up over and over.
If you look through this thread, I think I did a pretty good job of explaining the situation. It's one of the things I just seem to be able to visualise perfectly in my head. I'm good like that.
::HERE::
If you're still unsure after reading this, ask and I'll try again.
But not today as I've got a load of work today, and unfortunately, this is something I don't seem to get!
:shrug:
8ball