Shown with a cast-on count of 65 stitches.  

• Row 1 (RS): K1, *yo, p3, sl2-k1-p2sso, p3, yo, k9, repeat from * to last 10 sts, yo, p3, sl2-k1-p2sso, p3, yo, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: Purl.
• Row 3: K2, *yo, p2, sl2-k1-p2sso, p2, yo, k11, repeat from * to last 9 sts, yo, p2, sl2-k1-p2sso, p2, yo, k2.
• Row 5: K3, *yo, p1, sl2-k1-p2sso, p1, yo, k13, repeat from * to last 8 sts, yo, p1, sl2-k1-p2sso, p1, yo, k3.
• Row 7: K4, *yo, sl2-k1-p2sso, yo, k15, repeat from * to last 7 sts, yo, sl2-k1-p2sso, yo, k4.
• Row 9: K10, *yo, p3, sl2-k1-p2sso, p3, yo, k9, repeat from * to last st, k1.
• Row 11: K11, *yo, p2, sl2-k1-p2sso, p2, yo, k11, repeat from *.
• Row 13: K12, *yo, p1, sl2-k1-p2sso, p1, yo, k13, repeat from * to last 17 sts, yo, p1, sl2-k1-p2sso, p1, yo, k12.
• Row 15: K13, *yo, sl2-k1-p2sso, yo, k15, repeat from * to last 16 sts, yo, sl2-k1-p2sso, yo, k13.
• Repeat rows 1-16.