Shown with a cast-on count of 12 stitches.  

• Rows 1, 15, and 33 (RS): K3, k6, p3.
• Rows 2, 14, 16, 30, and 32: K3, p6, sl3 wyib.
• Rows 3, 17, and 31: K3, ssk, yo, ssk, yo, ssk, yo, p3.
• Rows 4 and 18: K3, p4, 1-to-7 inc, p1, sl3 wyib (18 sts).
• Row 5: K3, ssk, k5, ssk, yo, ssk, yo, k1, p3 (17 sts).
• Rows 6 and 20: K3, p11, sl3 wyib.
• Row 7: K3, ssk, k3, ssk, yo, ssk, yo, k2, p3 (16 sts).
• Rows 8 and 22: K3, p10, sl3 wyib.
• Row 9: K3, ssk, k1, ssk, yo, ssk, yo, k3, p3 (15 sts).
• Rows 10 and 24: K3, p9, sl3 wyib.
• Row 11: K3, sl1-k2tog-psso, yo, ssk, yo, k4, p3 (14 sts).
• Rows 12 and 26: K3, p8, sl3 wyib.
• Row 13: K3, sl1-k2tog-psso, k5, p3 (12 sts).
• Row 19: K3, ssk, k6, ssk, yo, ssk, yo, p3 (17 sts).
• Row 21: K3, ssk, k5, ssk, yo, ssk, yo, p3 (16 sts).
• Row 23: K3, ssk, k4, ssk, yo, ssk, yo, p3 (15 sts).
• Row 25: K3, ssk, k3, ssk, yo, ssk, yo, p3 (14 sts).
• Row 27: K3, ssk, k2, ssk, yo, ssk, yo, p3 (13 sts).
• Row 28: K3, p7, sl3 wyib.
• Row 29: K3, ssk, k1, ssk, yo, ssk, yo, p3 (12 sts).