Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): P1, *ssk, k7, yo, p1, repeat from *.
• Row 2: K1, *p1, yo, p6, ssp, k1, repeat from *.
• Row 3: P1, *ssk, k5, yo, k2, p1, repeat from *.
• Row 4: K1, *p3, yo, p4, ssp, k1, repeat from *.
• Row 5: P1, *k3, k2tog, k4, yo, p1, repeat from *.
• Row 6: K1, *p1, yo, p4, p2tog, p2, k1, repeat from *.
• Row 7: P1, *k1, k2tog, k4, yo, k2, p1, repeat from *.
• Row 8: K1, *p3, yo, p4, p2tog, k1, repeat from *.
• Row 9: P1, *yo, k3, k2tog, k4, p1, repeat from *.
• Row 10: K1, *p4, p2tog, p2, yo, p1, k1, repeat from *.
• Row 11: P1, *k2, yo, k1, k2tog, k4, p1, repeat from *.
• Row 12: K1, *p4, p2tog, yo, p3, k1, repeat from *.
• Row 13: P1, *yo, k7, k2tog, p1, repeat from *.
• Row 14: K1, *p2tog, p6, yo, p1, k1, repeat from *.
• Row 15: P1, *k2, yo, k5, k2tog, p1, repeat from *.
• Row 16: K1, *p2tog, p4, yo, p3, k1, repeat from *.
• Row 17: P1, *yo, k4, ssk, k3, p1, repeat from *.
• Row 18: K1, *p2, ssp, p4, yo, p1, k1, repeat from *.
• Row 19: P1, *k2, yo, k4, ssk, k1, p1, repeat from *.
• Row 20: K1, *ssp, p4, yo, p3, k1, repeat from *.
• Row 21: P1, *k4, ssk, k3, yo, p1, repeat from *.
• Row 22: K1, *p1, yo, p2, ssp, p4, k1, repeat from *.
• Row 23: P1, *k4, ssk, k1, yo, k2, p1, repeat from *.
• Row 24: K1, *p3, yo, ssp, p4, k1, repeat from *.
• Repeat rows 1-24.