Shown with a cast-on count of 30 stitches.  

• Row 1 (RS): *P3, 1/1 LC, p3, k3, repeat from * to last 8 sts, p3, 1/1 LC, p3.
• Row 2: K3, p1, M1L, p1, k3, *p3, k3, p1, M1L, p1, k3, repeat from * (multiple of 12 sts, plus 9).
• Rows 3, 5, 9, and 11: *P3, k3, repeat from * to last 3 sts, p3.
• Rows 4 and 10: *K3, p3, repeat from * to last 3 sts, k3.
• Row 6: K3, p3, k3, *p1, drop st, p1, k3, p3, k3, repeat from * (multiple of 11 sts, plus 9).
• Row 7: *P3, k3, p3, 1/1 RC, repeat from * to last 9 sts, p3, k3, p3.
• Row 8: K3, p3, k3, *p1, M1L, p1, k3, p3, k3, repeat from * (multiple of 12 sts, plus 9).
• Row 12: K3, p1, drop st, p1, k3, *p3, k3, p1, drop st, p1, k3, repeat from * (multiple of 11 sts, plus 8).