Shown with a cast-on count of 99 stitches.  

• Row 1 (RS): [K1, p1] 15 times, k39, [k1, p1] 15 times.
• Rows 2, 4, 6, and 8: [P1, k1] 15 times, purl to last 30 sts, [p1, k1] 15 times.
• Row 3: [K1, p1] 15 times, k3, *3/3 LC, repeat from * to last 30 sts, [k1, p1] 15 times.
• Row 5: [K1, p1] 15 times, knit to last 30 sts, [k1, p1] 15 times.
• Row 7: [K1, p1] 15 times, *3/3 RC, repeat from * to last 33 sts, k3, [k1, p1] 15 times.