Shown with a cast-on count of 30 stitches.  

• Rows 1 and 25 (RS): *[K2tog, yo] 3 times, k3, p1, repeat from *.
• Rows 2 and 26: *K1, p9, repeat from *.
• Row 3: P1, *[k2tog, yo] twice, 3/1 RPC, p2, repeat from * to last 9 sts, [k2tog, yo] twice, 3/1 RPC, p1.
• Row 4: K2, *p7, k3, repeat from * to last 8 sts, p7, k1.
• Row 5: P2, *k2tog, yo, 3/1 RPC, p4, repeat from * to last 8 sts, k2tog, yo, 3/1 RPC, p2.
• Row 6: K3, *p5, k5, repeat from * to last 7 sts, p5, k2.
• Row 7: P3, *3/1 RPC, p6, repeat from * to last 7 sts, 3/1 RPC, p3.
• Row 8: K4, *p3, k7, repeat from * to last 6 sts, p3, k3.
• Row 9: P2, *3/1 RPC, yo, k2tog, p4, repeat from * to last 8 sts, 3/1 RPC, yo, k2tog, p2.
• Rows 10 and 22: K2, *p6, k4, repeat from * to last 8 sts, p6, k2.
• Row 11: P1, *3/1 RPC, [yo, k2tog] twice, p2, repeat from * to last 9 sts, 3/1 RPC, [yo, k2tog] twice, p1.
• Rows 12 and 24: K1, *p8, k2, repeat from * to last 9 sts, p8, k1.
• Row 13: P1, *k3, yo, [k2tog, yo] twice, k2tog, p1, repeat from * to last 9 sts, k3, yo, [k2tog, yo] twice, k2tog.
• Row 14: *P9, k1, repeat from *.
• Row 15: P1, *3/1 LPC, [yo, k2tog] twice, p2, repeat from * to last 9 sts, 3/1 LPC, [yo, k2tog] twice, p1.
• Row 16: K1, *p7, k3, repeat from * to last 9 sts, p7, k2.
• Row 17: P2, *3/1 LPC, yo, k2tog, p4, repeat from * to last 8 sts, 3/1 LPC, yo, k2tog, p2.
• Row 18: K2, *p5, k5, repeat from * to last 8 sts, p5, k3.
• Row 19: P3, *3/1 LPC, p6, repeat from * to last 7 sts, 3/1 LPC, p3.
• Row 20: K3, *p3, k7, repeat from * to last 7 sts, p3, k4.
• Row 21: P2, *k2tog, yo, 3/1 LPC, p4, repeat from * to last 8 sts, k2tog, yo, 3/1 LPC, p2.
• Row 23: P1, *[k2tog, yo] twice, 3/1 LPC, p2, repeat from * to last 9 sts, [k2tog, yo] twice, 3/1 LPC, p1.
• Repeat rows 1-26.