Shown with a cast-on count of 29 stitches.  

• Row 1 (RS): Yo, k2, k2tog, p1, *ssk, k2, yo, k1, yo, k2, k2tog, p1, repeat from * to last 4 sts, ssk, k2, yo.
• Rows 2, 4, 6, and 8: P4, *k1, p9, repeat from * to last 5 sts, k1, p4.
• Row 3: K1, yo, k1, k2tog, p1, *ssk, k1, yo, k1, k1 PB, k1, yo, k1, k2tog, p1, repeat from * to last 4 sts, ssk, k1, yo, k1.
• Row 5: K2, yo, k2tog, p1, *ssk, yo, k5, yo, k2tog, p1, repeat from * to last 4 sts, ssk, yo, k2.
• Row 7: K4, p1, *k2, 2/3 LC, k2, p1, repeat from * to last 4 sts, k4.
• Row 9: Ssk, k2, yo, k1, *yo, k2, k2tog, p1, ssk, k2, yo, k1, repeat from * to last 4 sts, yo, k2, k2tog.
• Rows 10, 12, 14, and 16: P2, *p7, k1, p2, repeat from * to last 7 sts, p7.
• Row 11: Ssk, k1, yo, k1, k1 PB, *k1, yo, k1, k2tog, p1, ssk, k1, yo, k1, k1 PB, repeat from * to last 4 sts, k1, yo, k1, k2tog.
• Row 13: Ssk, yo, k3, *k2, yo, k2tog, p1, ssk, yo, k3, repeat from * to last 4 sts, k2, yo, k2tog.
• Row 15: K2, 2/3 LC, *k2, p1, k2, 2/3 LC, repeat from * to last 2 sts, k2.