I decided I like the anticipation of coming up to, and dropping, one stitch per repeat. It makes the repeats more enjoyable, like a little prize mid-way through! Here's what I have finished so far:
I've finished 9 out of 13 straight section repeats, and I'm starting to feel like it won't be long enough. And there's a chance I don't have enough yarn, so I'm not sure how I'm going to handle this yet. I'll see how it looks once I finish all 13 repeats, and if I think I'll have enough yarn, I'll add a few more.