Shown with a cast-on count of 17 stitches.  

• Row 1 (RS): K1, yo, k2, [k2tog] twice, k2, yo, k1, yo, k2, k2tog, k3.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20 (WS): Purl.
• Round 3: K2, yo, k2, [k2tog] twice, k2, yo, k1, yo, k2, k2tog, k2.
• Round 5: K3, yo, k2, [k2tog] twice, k2, yo, k1, yo, k2, k2tog, k1.
• Round 7: K4, yo, k2, [k2tog] twice, k2, yo, k5.
• Round 9: K5, yo, k2, [k2tog] twice, k2, yo, k4.
• Round 11: K4, ssk, k2, yo, k1, yo, k2, ssk, k4.
• Round 13: K3, ssk, k2, yo, k1, yo, k2, [ssk] twice, k2, yo, k1.
• Round 15: K2, ssk, k2, yo, k1, yo, k2, [ssk] twice, k2, yo, k2.
• Round 17: K1, ssk, k2, yo, k1, yo, k2, [ssk] twice, k2, yo, k3.
• Round 19: K5, yo, k2, [ssk] twice, k2, yo, k4.