Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): *K1, p2, yo, k2tog, k1, ssk, yo, p2, repeat from * to last st, k1.
• Row 2: P1, *k3, p3, k3, p1, repeat from *.
• Row 3: K1, *yo, p1, k2tog, k1, sl1 wyif, k1, ssk, p1, yo, k1, repeat from *.
• Rows 4 and 6: *P1, k2, p5, k2, repeat from * to last st, p1.
• Row 5: K1, *p1, yo, k2tog, k1, sl1 wyif, k1, ssk, yo, p1, k1, repeat from *.
• Row 7: *K1, p2, k1, yo, sl2-k1-p2sso, yo, k1, p2, repeat from * to last st, k1.
• Row 8: P1, *k2, p1, k3, p1, k2, p1, repeat from *.