Shown with a cast-on count of 4 stitches.  

• Row 1 (WS): Purl.
• Row 2: [Yo, k1] 4 times (8 sts).
• Row 3: [P1, k1] 4 times, yo (9 sts).
• Row 4: K2, [yo, k1] 7 times (16 sts).
• Row 5: [P1, k3] 4 times, yo (17 sts).
• Row 6: K4, yo, k1, [yo, k3, yo, k1] 3 times (24 sts).
• Row 7: [P1, k5] 4 times, yo (25 sts).
• Row 8: K6, yo, k1, [yo, k5, yo, k1] 3 times (32 sts).
• Row 9: [P1, k7] 4 times, yo (33 sts).
• Row 10: K8, yo, k1, [yo, k7, yo, k1] 3 times (40 sts).
• Row 11: [P1, k9] 4 times, yo (41 sts).
• Row 12: K1, ssk, k5, k2tog, k1, ssk, k5, k2tog, turn (16 sts).
• Rows 13 and 23: Sl1 wyif, k6, p1, k7, p1.
• Rows 14 and 24: K1, ssk, k3, k2tog, k1, ssk, k3, k2tog, turn (12 sts).
• Rows 15 and 25: Sl1 wyif, k4, p1, k5, p1.
• Rows 16 and 26: K1, ssk, k1, k2tog, k1, ssk, k1, k2tog, turn (8 sts).
• Rows 17 and 27: Sl1 wyif, k2, p1, k3, p1.
• Rows 18 and 28: K1, sl1-k2tog-psso, k1, k3tog, turn (4 sts).
• Rows 19 and 29: Sl1 wyif, p1, k1, p1.
• Rows 20 and 30: K1, sl2-k1-p2sso, turn (2 sts).
• Rows 21 and 31: Sl1 wyif, p1.
• Row 22: BO 2 sts, ssk, k5, k2tog, k1, ssk, k5, k2tog, turn (16 sts).
• Row 32: BO 2 sts (1 st).