Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): K2, *p4, k4, repeat from * to last 7 sts, p4, k3.
• Row 2: P2, k4, *p4, k4, repeat from * to last 3 sts, p3.
• Row 3: K4, *p4, k4, repeat from * to last 5 sts, p4, k1.
• Row 4: K4, *p4, k4, repeat from * to last 5 sts, p4, k1.
• Row 5: P2, k4, *p4, k4, repeat from * to last 3 sts, p3.
• Row 6: K2, *p4, k4, repeat from * to last 7 sts, p4, k3.
• Row 7: K3, *p4, k4, repeat from * to last 6 sts, p4, k2.
• Row 8: P3, k4, *p4, k4, repeat from * to last 2 sts, p2.
• Row 9: K1, *p4, k4, repeat from * to last 8 sts, p4, k4.
• Row 10: K1, *p4, k4, repeat from * to last 8 sts, p4, k4.
• Row 11: P3, k4, *p4, k4, repeat from * to last 2 sts, p2.
• Row 12: K3, *p4, k4, repeat from * to last 6 sts, p4, k2.
• Repeat rows 1-12.