Shown with a cast-on count of 19 stitches.  

• Row 1 (RS): K1, *k1, yo, k1, k2tog, p1, ssk, k1, yo, repeat from * to last 2 sts, k2.
• Row 2: P2, *[k1, p2] twice, k1, p1, repeat from * to last st, p1.
• Rows 3 and 7: K1, *k1, k2tog, yo, k1, p1, k1, yo, ssk, repeat from * to last 2 sts, k2.
• Rows 4 and 8: P2, *[p1, k1] 3 times, p2, repeat from * to last st, p1.
• Row 5: K1, *k4, p1, k3, repeat from * to last 2 sts, k2.
• Row 6: P2, *p3, k1, p4, repeat from * to last st, p1.
• Row 9: K1, *k1, yo, k2, p3tog, k2, yo, repeat from * to last 2 sts, k2.
• Row 10: P2, *k1, p2, p1 tbl, p2, k1, p1, repeat from * to last st, p1.