Shown with a cast-on count of 16 stitches.  

• Rows 1 and 5 (RS): [K1, p3] twice, [p2, k1, p1] twice.
• Rows 2 and 6 (RS): [P2, k1, p1] 4 times.
• Row 3 (RS): [P2, k1, p1] twice, [k1, p3] twice.
• Row 4 (RS): [K1, p3] 4 times.
• Row 7 (RS): K1, p3, k1, p2, kfb, [p2, k1, p1] twice (17 sts).
• Row 8 (RS): P2, k1, p1, p2, kfb, k1, p1, [p2, k1, p1] twice (18 sts).