Shown with a cast-on count of 58 stitches.  

• Rows 1 and 5 (RS): [K1, p1] twice, k3, *k10, [p2, k2] twice, repeat from * to last 15 sts, k10, [p1, k1] twice, p1.
• Rows 2 and 6: [P1, k1] twice, p3, k8, *[p2, k2] twice, p2, k8, repeat from * to last 7 sts, p2, [k1, p1] twice, k1.
• Rows 3 and 7: [K1, p1] twice, k3, *p8, [k2, p2] twice, k2, repeat from * to last 15 sts, p8, k2, [p1, k1] twice, p1.
• Rows 4 and 8: [P1, k1] twice, p11, *[p2, k2] twice, p10, repeat from * to last 7 sts, p2, [k1, p1] twice, k1.
• Row 9: [K1, p1] twice, knit to last 5 sts, [p1, k1] twice, p1.
• Rows 10 and 14: [P1, k1] 3 times, [p2, k2] twice, *p12, k2, p2, k2, repeat from * to last 8 sts, p2, k2, [p1, k1] twice.
• Rows 11 and 15: [K1, p1] 3 times, k2, *[p2, k2] twice, p8, k2, repeat from * to last 14 sts, [p2, k2] twice, p2, [k1, p1] twice.
• Rows 12 and 16: [P1, k1] 3 times, [p2, k2] twice, *p2, k8, [p2, k2] twice, repeat from * to last 8 sts, p2, k2, [p1, k1] twice.
• Rows 13 and 17: [K1, p1] 3 times, k2, *p2, k2, p2, k12, repeat from * to last 14 sts, [p2, k2] twice, p2, [k1, p1] twice.
• Row 18: [P1, k1] twice, purl to last 5 sts, [k1, p1] twice, k1.