Shown with a cast-on count of 9 stitches.  

• Row 1 (RS): K2, p2, yo, k1, yo, p2, k2 (11 sts).
• Row 2: [P2, k2, p1] twice, p1.
• Row 3: K2, p2, k1, [yo, k1] twice, p2, k2 (13 sts).
• Rows 4 and 12: P2, k2, p5, k2, p2.
• Row 5: K2, p2, k2, [yo, k1] twice, k1, p2, k2 (15 sts).
• Rows 6 and 10: P2, k2, p7, k2, p2.
• Row 7: K2, p2, k3, [yo, k1] twice, k2, p2, k2 (17 sts).
• Row 8: P2, k2, p9, k2, p2.
• Row 9: K2, p2, ssk, k5, k2tog, p2, k2 (15 sts).
• Row 11: K2, p2, ssk, k3, k2tog, p2, k2 (13 sts).
• Row 13: K2, p2, k2, ssk, k1, p2, k2 (12 sts).
• Row 14: [P2, k2, p2] twice.
• Row 15: K2, p2, k2, ssk, p2, k2 (11 sts).
• Row 16: P2, k2, p3, k2, p2.
• Row 17: K2, p2, k1, ssk, p2, k2 (10 sts).
• Rows 18 and 20: P2, [k2, p2] twice.
• Row 19: K2, [p2, k2] twice.
• Row 21: K2, p2, ssk, p2, k2 (9 sts).
• Rows 22 and 24: P2, [k2, p1] twice, p1.
• Row 23: K2, [p2, k1] twice, k1.