Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): *P1, k6, k2tog, k2, yo, k1, repeat from * to last st, p1.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: K1, *p11, k1, repeat from *.
• Row 3: *P1, k5, k2tog, k2, yo, k2, repeat from * to last st, p1.
• Row 5: *P1, k4, k2tog, k2, yo, k3, repeat from * to last st, p1.
• Row 7: *P1, yo, k2, k3tog, k2, yo, k4, repeat from * to last st, p1.
• Row 9: *P1, k1, yo, k2, ssk, k6, repeat from * to last st, p1.
• Row 11: *P1, k2, yo, k2, ssk, k5, repeat from * to last st, p1.
• Row 13: *P1, k3, yo, k2, ssk, k4, repeat from * to last st, p1.
• Row 15: *P1, k4, yo, k2, sl1-k2tog-psso, k2, yo, repeat from * to last st, p1.