I've not been doing this long but sometimes it seems like the steps in the pattern go from A to D without including B and C. I wonder if it's just because whoever wrote the pattern was so familiar with it they thought it would be assumed. If I'm not sure of a pattern I'll sit in front of my DVD player watching old TV shows and cut the pattern from graph paper and then put it together with glue to see how it comes together. Saves me having to dig into my stash and have to decide what to sacrifice.