Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): K1, *p9, repeat from * to last st, k1.
• Row 2: P1, *k4, p1, k4, repeat from * to last st, p1.
• Row 3: K1, *p2, k1, p1, sl1 wyib, p1, k1, p2, repeat from * to last st, k1.
• Rows 4, 8, and 12: P1, *k2, [p1, k1] twice, p1, k2, repeat from * to last st, p1.
• Row 5: K1, *p2, [k1, p1] twice, k1, p2, repeat from * to last st, k1.
• Row 6: P1, *k2, p1, k3, p1, k2, repeat from * to last st, p1.
• Rows 7 and 11: K1, *p1, k2, p1, sl1 wyib, p1, k2, p1, repeat from * to last st, k1.
• Row 9: K1, *p2, yo, k1, p3tog, k1, yo, p2, repeat from * to last st, k1.
• Row 10: P1, *k3, p3, k3, repeat from * to last st, k1.