Shown with a cast-on count of 21 stitches.  

• Rows 1, 5, 9, 13, 17, 21, 25, and 29 (RS): K21.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28: P21.
• Row 3: K10, MB, k10.
• Row 7: K8, MB, k3, MB, k8.
• Rows 11 and 27: K6, MB, k7, MB, k6.
• Row 15: K4, MB, k11, MB, k4.
• Row 19: K2, MB, k7, MB, k7, MB, k2.
• Row 23: K4, MB, k3, MB, k3, MB, k3, MB, k4.