Shown with a cast-on count of 31 stitches.  

• Row 1 (RS): P2, k5, p2, [k1, p1] 6 times, k1, p2, k5, p2.
• Row 2: K2, p5, k2, p1, [k1, p1] 6 times, k2, p5, k2.
• Row 3: P2, k2tog, yo, k1, yo, ssk, p2, k13, p2, k2tog, yo, k1, yo, ssk, p2.
• Row 4: K2, p5, k2, p13, k2, p5, k2.
• Row 5: P2, k5, p2, [p1, k1] 6 times, k1, p2, k5, p2.
• Row 6: K2, p5, k2, k1, [p1, k1] 6 times, k2, p5, k2.
• Repeat rows 3-4.