Shown with a cast-on count of 32 stitches.  

• Row 1 (RS): *(K1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, k1, p1, k1, p1, (k1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, and 18: *K1, p1, repeat from *.
• Row 3: *K1, p1, (k1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, k1, p1, (k1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, repeat from *.
• Row 5: *K1, p1, k1, p1, (k1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, (k1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, repeat from *.
• Row 7: *[K1, p1] 3 times, (k1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, [k1, p1] twice, repeat from *.
• Row 9: *[K1, p1] 4 times, (k1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, k1, p1, repeat from *.
• Row 11: *[K1, p1] 5 times, (k1, yo, k1) in next st, p1, sl1-k2tog-psso, p1, repeat from *.
• Row 13: *K3tog, p1, (k1, yo, k1) in next st, p1, k1, p1, k1, p1, k3tog, p1, (k1, yo, k1) in next st, p1, repeat from *.
• Row 15: *K3tog, p1, (k1, yo, k1) in next st, p1, k1, p1, k3tog, p1, (k1, yo, k1) in next st, p1, k1, p1, repeat from *.
• Row 17: *K3tog, p1, (k1, yo, k1) in next st, p1, k3tog, p1, (k1, yo, k1) in next st, p1, k1, p1, k1, p1, repeat from *.