Shown with a cast-on count of 66 stitches.  

• Row 1 (RS): Purl.
• Row 2: Purl.
• Rows 3 and 7: *K2tog, k3, [yo, k1] 7 times, yo, k3, sl2-k1-p2sso, k3, [yo, k1] 7 times, yo, k3, ssk, repeat from * (multiple of 45 sts).
• Row 4: *Ssk, p19, sl2-k1-p2sso, p19, k2tog, repeat from * (multiple of 41 sts).
• Rows 5 and 9: *K2tog, k17, sl2-k1-p2sso, k17, ssk, repeat from * (multiple of 37 sts).
• Rows 6 and 10: *Ssk, p15, sl2-k1-p2sso, p15, k2tog, repeat from * (multiple of 33 sts).
• Row 8: *Ssk, p2, p15, p2, sl2-k1-p2sso, p2, p15, p2, k2tog, repeat from * (multiple of 41 sts).
• Repeat rows 1-10.