Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): K2, *k1, yo, ssk, k2, k2tog, yo, k2, repeat from *.
• Row 2: *P2, k1, p4, k1, p1, repeat from * to last 2 sts, p2.
• Row 3: *K3, yo, ssk, k1, k2tog, yo, k1, repeat from * to last 2 sts, k2.
• Rows 4 and 16: P2, *p1, k1, p3, k1, p3, repeat from *.
• Rows 5 and 13: K1, *k1, yo, k1, ssk, k1, k2tog, k1, yo, k1, repeat from * to last st, k1.
• Rows 6 and 14: P1, *p1, k1, p5, k1, p1, repeat from * to last st, p1.
• Rows 7 and 11: K1, *k3, yo, k3tog tbl, yo, k3, repeat from * to last st, k1.
• Rows 8 and 12: P1, *p3, k1, p1, k1, p3, repeat from * to last st, p1.
• Row 9: *K2, yo, ssk, k3, k2tog, yo, repeat from * to last 2 sts, k2.
• Row 10: P2, *k1, p5, k1, p2, repeat from *.
• Row 15: K2, *k1, yo, ssk, k1, k2tog, yo, k3, repeat from *.
• Row 17: *K2, yo, ssk, k2, k2tog, yo, k1, repeat from * to last 2 sts, k2.
• Row 18: P2, *p1, k1, p4, k1, p2, repeat from *.