Shown with a cast-on count of 33 stitches.  

• Row 1 (RS): *P1, k2tog, yo, k2, yo, p1, ssk, k1, k2tog, p1, yo, k2, yo, ssk, repeat from * to last st, p1.
• Row 2: K1, *p1, k1, p2, k2, p3, k2, p2, k1, p1, k1, repeat from *.
• Rows 3 and 7: *P1, k4, yo, p1, ssk, k1, k2tog, p1, yo, k4, repeat from * to last st, p1.
• Rows 4 and 8: K1, *p4, k2, p3, k2, p4, k1, repeat from *.
• Row 5: *P1, k2, yo, k2, p1, ssk, k1, k2tog, p1, k2, yo, k2, repeat from * to last st, p1.
• Row 6: K1, *[p2, k1] twice, p3, k1, [p2, k1] twice, repeat from *.
• Row 9: *P1, k4, p1, yo, p1, sl2-k1-p2sso, p1, yo, p1, k4, repeat from * to last st, p1.
• Row 10: K1, *p4, k3, p1, k3, p4, k1, repeat from *.
• Row 11: *P1, k1, yo, sl2-k1-p2sso, yo, p3, k1, p3, yo, sl2-k1-p2sso, yo, k1, repeat from * to last st, p1.
• Row 12: K1, *p1, k1, p1, k4, p1, k4, p1, k1, p1, k1, repeat from *.