Shown with a cast-on count of 29 stitches.  

• Rows 1 and 5 (RS): *K1, p1, [k3, p1] 3 times, repeat from * to last st, k1.
• Rows 2, 4, and 8: P1, *[k1, p3] 3 times, k1, p1, repeat from *.
• Row 3: *K1, p1, k3, p1, 1/2 RC, p1, k3, p1, repeat from * to last st, k1.
• Row 6: P1, *k1, p3, [k1, p1] twice, k1, p3, k1, p1, repeat from *.
• Row 7: *K1, p1, 1/2 LC, p1, k3, p1, 1/2 LC, p1, repeat from * to last st, k1.