Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): *K3, p2, yo, p2tog, k1, repeat from * to last 4 sts, p2, k2.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20: Purl.
• Row 3: *K2, p2, yo, p2tog, k2, repeat from * to last 4 sts, p2, k2.
• Row 5: *K1, p2, yo, p2tog, k3, repeat from * to last 4 sts, p2, k2.
• Row 7: *P2, yo, p2tog, k4, repeat from * to last 4 sts, p2, k2.
• Row 9: *P1, yo, p2tog, k5, repeat from * to last 4 sts, p2, k2.
• Row 11: K2, p2, *k5, p2tog, yo, p1, repeat from *.
• Row 13: K2, p2, *k4, p2tog, yo, p2, repeat from *.
• Row 15: K2, p2, *k3, p2tog, yo, p3, repeat from *.
• Row 17: K2, p2, *k2, p2tog, yo, p4, repeat from *.
• Row 19: K2, p2, *k1, p2tog, yo, p5, repeat from *.