Shown with a cast-on count of 0 stitches.  

• Row 1 (WS): CO 3 sts (3 sts).
• Row 2: P1, k1, p1.
• Row 3: K1, p1, k1.
• Row 4: P1, (k1, yo, k1) in next st, p1 (5 sts).
• Row 5: K1, [p1, k1] twice.
• Row 6: P1, k1, p1, (k1, yo, k1) in next st, p1 (7 sts).
• Row 7: K1, [p1, k1] 3 times.
• Row 8: P1, [k1, p1] twice, (k1, yo, k1) in next st, p1 (9 sts).
• Row 9: K1, [p1, k1] 4 times.
• Row 10: P1, [k1, p1] 3 times, (k1, yo, k1) in next st, p1 (11 sts).
• Row 11: K1, [p1, k1] 5 times.
• Row 12: P1, [k1, p1] 4 times, (k1, yo, k1) in next st, p1 (13 sts).
• Row 13: K1, [p1, k1] 6 times.
• Row 14: P1, [k1, p1] 5 times, (k1, yo, k1) in next st, p1 (15 sts).
• Row 15: K1, [p1, k1] 7 times.
• Row 16: P1, [k1, p1] 6 times, (k1, yo, k1) in next st, p1 (17 sts).
• Row 17: K1, [p1, k1] 8 times.
• Rows 18, 24, and 30: P1, [k1, p1] 7 times, 1-to-9 inc, p1 (25 sts).
• Rows 19, 25, and 31: [K1, p1] 5 times, [sl1-k2tog-psso, p1] 3 times, sl1-k2tog-psso (17 sts).
• Rows 20, 22, 26, 28, 32, and 34: P1, [k1, p1] 8 times.
• Rows 21, 23, 27, 29, 33, and 35: [K1, p1] 8 times, k1.