Shown with a cast-on count of 38 stitches.  

• Row 1 (RS): *Yo, yo, k2tog, k1, yo, k2tog, k2tog, k4, ssk, ssk, yo, k1, ssk, yo, yo, k1, repeat from *.
• Rows 2, 16, and 18: *P19, repeat from *.
• Row 3: *Yo, k1, k2tog, yo, k2tog, k2, k2tog, yo, yo, ssk, k2, ssk, yo, ssk, k1, yo, k1 tbl, repeat from *.
• Rows 4 and 14: *P3, k1, p12, k1, p2, repeat from *.
• Row 5: *K2, k2tog, yo, k2, k2tog, yo, k2, yo, ssk, k2, yo, ssk, k3, repeat from *.
• Rows 6 and 12: *P2, k1, p14, k1, p1, repeat from *.
• Row 7: *K1, yo, k3, k2tog, yo, k2tog, k2, ssk, yo, ssk, k3, yo, k2, repeat from *.
• Rows 8 and 10: *P1, k1, p16, k1, repeat from *.
• Row 9: *K4, ssk, ssk, yo, yo, 1/1 RC, yo, yo, k2tog, k2tog, k5, repeat from *.
• Row 11: *K1, yo, k3, ssk, yo, ssk, k2, k2tog, yo, k2tog, k3, yo, k2, repeat from *.
• Row 13: *K2, ssk, yo, k2, ssk, yo, k2, yo, k2tog, k2, yo, k2tog, k3, repeat from *.
• Row 15: *Yo, k1, ssk, yo, ssk, k2, ssk, yo, yo, k2tog, k2, k2tog, yo, k2tog, k1, yo, k1 tbl, repeat from *.
• Row 17: *Yo, yo, ssk, k1, yo, ssk, ssk, k4, k2tog, k2tog, yo, k1, k2tog, yo, yo, k1, repeat from *.