Shown with a cast-on count of 35 stitches.  

• Row 1 (RS): K1, *k2, k2tog, yo, k3, yo, ssk, k1, repeat from * to last 4 sts, k4.
• Rows 2, 4, 6, 8, 10, and 12: K3, purl to last st, k1.
• Row 3: K1, *k1, k2tog, yo, k5, yo, ssk, repeat from * to last 4 sts, k4.
• Row 5: K1, k2tog, yo, *k7, yo, sl1-k2tog-psso, yo, repeat from * to last 12 sts, k7, yo, ssk, k3.
• Row 7: K1, *k2, yo, ssk, k3, k2tog, yo, k1, repeat from * to last 4 sts, k4.
• Row 9: K1, *k3, yo, ssk, k1, k2tog, yo, k2, repeat from * to last 4 sts, k4.
• Row 11: K1, *k4, yo, sl1-k2tog-psso, yo, k3, repeat from * to last 4 sts, k4.