Shown with a cast-on count of 17 stitches.  

• Row 1 (RS): K2, yo, k2tog, k1, yo, k2tog, k1, ssk, yo, k3, [yo] twice, k2tog, [yo] twice, k2 (20 sts).
• Rows 2 and 8: K3, p1, k2, p1, k3, p5, k5.
• Rows 3 and 9: K2, yo, k2tog, k1, yo, k2tog, k1, ssk, yo, k10.
• Row 4: K2, [yo] twice, k2tog, k1, k2tog, [yo] twice, k2tog, k2, p3, k6 (21 sts).
• Row 5: K2, yo, k2tog, k2, yo, k3tog, yo, k4, p1, k4, p1, k2.
• Row 6: K12, p3, k6.
• Row 7: K2, yo, [k2tog] twice, yo, k3, yo, k2tog, k2, [yo] twice, k4tog, [yo] twice, [k2tog] twice (20 sts).
• Row 10: BO 3 sts, k6, p1, yo, k2tog, p1, k6 (17 sts).