Shown with a cast-on count of 4 stitches.  

• Row 0 (WS): K4.
• Row 1: K1, yo, k2, yo, k1 (6 sts).
• Row 2: Knit.
• Row 3: K1, yo, k4, yo, k1 (8 sts).
• Row 4: K2, k2, yo, k2tog, k2.
• Row 5: K1, yo, k1, yo, k2tog, k2, k1, yo, k1 (10 sts).
• Row 6: K3, yo, k2tog, k2, k3.
• Row 7: K1, yo, k2, k2, yo, k2tog, k2, yo, k1 (12 sts).
• Row 8: K2, yo, k2tog, *k2, yo, k2tog, repeat from * to last 4 sts, k2, k2.
• Row 9: K1, yo, k1, *k2, yo, k2tog, repeat from * to last 2 sts, k1, yo, k1 (multiple of 4 sts, plus 6).
• Row 10: K3, *k2, yo, k2tog, repeat from * to last 3 sts, k3.
• Row 11: K1, yo, k2, yo, k2tog, *k2, yo, k2tog, repeat from * to last 5 sts, k2, k2, yo, k1 (multiple of 4 sts, plus 12).
• Row 12: K2, *k2, yo, k2tog, repeat from * to last 2 sts, k2.
• Row 13: K1, yo, k1, yo, k2tog, *k2, yo, k2tog, repeat from * to last 4 sts, k2, k1, yo, k1 (multiple of 4 sts, plus 10).
• Row 14: K3, yo, k2tog, *k2, yo, k2tog, repeat from * to last 5 sts, k2, k3.
• Row 15: K1, yo, k2, *k2, yo, k2tog, repeat from * to last 3 sts, k2, yo, k1 (multiple of 4 sts, plus 8).
• Repeat rows 8-15.