Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): K4, yo, ssk, k1, yo, k2tog, yo, k2tog, k2, yo, k2tog, k1, yo, ssk, k3.
• Row 2: K3, k2tog, yo, ssk, yo, ssk, yo, k1, ssk, yo, ssk, yo, k1, yo, k2tog, k4.
• Row 3: K4, yo, ssk, k1, ssk, yo, k1, yo, k2tog, k2, yo, ssk, yo, ssk, k3.
• Rows 4 and 12: K3, ssk, yo, k2tog, yo, k1, ssk, yo, k1, k2tog, yo, ssk, yo, k2tog, yo, k4.
• Row 5: K3, yo, ssk, yo, k2tog, yo, k2tog, yo, k2tog, k1, yo, ssk, yo, k2tog, yo, k2tog, k3.
• Row 6: K3, k2tog, yo, k2tog, yo, ssk, yo, k1, k2tog, yo, k2tog, yo, k2tog, yo, ssk, yo, k3.
• Row 7: K4, yo, ssk, ssk, yo, k3, yo, k2tog, yo, ssk, yo, ssk, k4.
• Row 8: K3, k2tog, yo, k2, k2tog, yo, ssk, yo, k1, ssk, yo, ssk, yo, k2tog, yo, k3.
• Row 9: K3, yo, ssk, yo, k2tog, yo, ssk, yo, ssk, k1, yo, k2tog, k1, yo, ssk, k4.
• Row 10: K3, k2tog, yo, k1, k2tog, yo, k1, ssk, yo, k2, yo, k2tog, k1, ssk, yo, k3.
• Row 11: K4, yo, k2tog, yo, ssk, yo, k2tog, yo, ssk, yo, ssk, yo, ssk, yo, ssk, k3.
• Row 13: K6, yo, k2tog, k3, yo, ssk, k1, yo, k2tog, yo, k2tog, k3.
• Row 14: K4, yo, ssk, k2tog, yo, k1, k2tog, yo, k2tog, yo, ssk, yo, ssk, yo, k4.
• Row 15: K5, yo, k2tog, yo, ssk, yo, k2tog, k1, yo, ssk, yo, ssk, yo, k2tog, k3.
• Row 16: [K2, p1] 3 times, k3, [p1, k2] 3 times.