2516
Back: Cast on with waste yarn and work in entrelac pattern as described below.
With size 10 needles and waste yarn, CO 40 (48, 56, 64) sts. Knit 1 row. Change to working yarn and purl 1 row.
Second Tier of Blocks: change to size 7 needles. Remain on size 7 needles until the Top Triangles.