Shown with a cast-on count of 43 stitches.  

• Row 1 (RS): *K1, p2, k1, yo, k1, ssk, p1, k2tog, k1, p1, k1, ssk, p1, k2tog, k1, yo, k1, repeat from * to last 3 sts, p2, k1 (multiple of 18 sts, plus 3).
• Row 2: P1, k2, *p4, [k1, p2] twice, k1, p4, k2, p1, repeat from *.
• Row 3: *K1, p2, [k1, yo] twice, ssk, p1, k2tog, p1, ssk, p1, k2tog, [yo, k1] twice, repeat from * to last 3 sts, p2, k1.
• Row 4: P1, k2, *p5, [k1, p1] twice, k1, p5, k2, p1, repeat from *.
• Row 5: *K1, p2, k1, yo, k3, yo, sl1-k2tog-psso, p1, sl1-k2tog-psso, yo, k3, yo, k1, repeat from * to last 3 sts, p2, k1.
• Row 6: P1, k2, *p7, k1, p7, k2, p1, repeat from *.
• Row 7: *K1, p2, k1, yo, k5, yo, sl1-k2tog-psso, yo, k5, yo, k1, repeat from * to last 3 sts, p2, k1 (multiple of 20 sts, plus 3).
• Row 8: P1, k2, *p17, k2, p1, repeat from *.