I'm into the second tier now, so it's starting to look like entrelac.
First Tier
It's hard to see because the needle is pushing the triangles down, but here is the first tier complete.
Second Tier Begun
So you could see how the triangles and diamonds spread out, I put the sock around my leg for a minute. I'm two and a half diamonds into the second tier here; when I have nine, I'll turn around and knit another purple one.