Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): P1, *ssk, yo, [k1, p1] twice, k1, yo, k2tog, repeat from * to last st, sl1 wyif.
• Row 2: P1, *[p1, k1] 4 times, p1, repeat from * to last st, sl1 wyif.
• Rows 3, 7, and 11: P1, *k2, yo, ssk, k1, k2tog, yo, k2, repeat from * to last st, sl1 wyif.
• Rows 4, 8, and 12: P1, *p2, k1, p3, k1, p2, repeat from * to last st, sl1 wyif.
• Row 5: P1, *k1, yo, k2, sl2-k1-p2sso, k2, yo, k1, repeat from * to last st, sl1 wyif.
• Row 6: P1, *p1, k1, p5, k1, p1, repeat from * to last st, sl1 wyif.
• Row 9: P1, *k3, p1, k1, p1, k3, repeat from * to last st, sl1 wyif.
• Row 10: P1, *p3, k1, p1, k1, p3, repeat from * to last st, sl1 wyif.