Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): K1, p3, *k3, p3, repeat from * to last 3 sts, k3.
• Row 2: *P3, k3, repeat from * to last st, p1.
• Row 3: K1, yo, k3tog, yo, *k3, yo, k3tog, yo, repeat from * to last 3 sts, k3.
• Rows 4 and 8: Purl.
• Row 5: K4, p3, *k3, p3, repeat from * to last 6 sts, k6.
• Row 6: P3, *p3, k3, repeat from * to last 4 sts, p4.
• Row 7: K4, yo, k3tog, yo, *k3, yo, k3tog, yo, repeat from * to last 6 sts, k6.