Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): *K3, 1/1 RC, 1/1 LC, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, and 14: Purl.
• Row 3: *K2, 1/1 RC, 1/1 LC, k1, repeat from *.
• Row 5: *K1, 1/1 RC, 1/1 LC, k2, repeat from *.
• Row 7: *1/1 RC, 1/1 LC, k3, repeat from *.
• Row 9: K1, *1/1 LC, k3, 1/1 RC, repeat from * to last 6 sts, 1/1 LC, k4.
• Row 11: *1/1 LC, k3, 1/1 RC, repeat from *.
• Row 13: K1, *k3, 1/1 RC, 1/1 LC, repeat from * to last 6 sts, k3, 1/1 RC, k1.