Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): K12, ssk, k11, yo.
• Row 2: P1, yo, p10, k2tog, k12.
• Row 3: P12, ssk, k9, yo, k2.
• Row 4: P3, yo, p8, k2tog, p12.
• Row 5: K12, ssk, k7, yo, k4.
• Row 6: P5, yo, p6, k2tog, k12.
• Row 7: P12, ssk, k5, yo, k6.
• Row 8: P7, yo, p4, k2tog, p12.
• Row 9: K12, ssk, k3, yo, k8.
• Row 10: P9, yo, p2, k2tog, k12.
• Row 11: P12, ssk, k1, yo, k10.
• Row 12: P11, yo, k2tog, p12.
• Row 13: Yo, k11, k2tog, k12.
• Row 14: K12, ssk, p10, yo, p1.
• Row 15: K2, yo, k9, k2tog, p12.
• Row 16: P12, ssk, p8, yo, p3.
• Row 17: K4, yo, k7, k2tog, k12.
• Row 18: K12, ssk, p6, yo, p5.
• Row 19: K6, yo, k5, k2tog, p12.
• Row 20: P12, ssk, p4, yo, p7.
• Row 21: K8, yo, k3, k2tog, k12.
• Row 22: K12, ssk, p2, yo, p9.
• Row 23: K10, yo, k1, k2tog, p12.
• Row 24: P12, ssk, yo, p11.