Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): K2, *yo, ssk, k1, [p1, k1] twice, repeat from * to last 4 sts, p2, k2.
• Row 2: P2, k2, *[p1, k1] twice, p2, k1, repeat from * to last 2 sts, p2.
• Row 3: K2, *yo, p1, ssk, [p1, k1] twice, repeat from * to last 4 sts, p2, k2.
• Rows 4, 8, and 12: P2, k2, *p1, [k1, p1] 3 times, repeat from * to last 2 sts, p2.
• Row 5: K2, *yo, k1, p1, ssk, k1, p1, k1, repeat from * to last 4 sts, p2, k2.
• Row 6: P2, k2, *p1, k1, p2, k1, p1, k1, repeat from * to last 2 sts, p2.
• Row 7: K2, *yo, p1, k1, p1, ssk, p1, k1, repeat from * to last 4 sts, p2, k2.
• Row 9: K2, *yo, [k1, p1] twice, ssk, k1, repeat from * to last 4 sts, p2, k2.
• Row 10: P2, k2, *p2, k1, [p1, k1] twice, repeat from * to last 2 sts, p2.
• Row 11: K2, *yo, p1, [k1, p1] twice, ssk, repeat from * to last 4 sts, p2, k2.