Shown with a cast-on count of 41 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, and 21 (WS): Knit.
• Row 2: [K8, k2tog] 4 times, k1 (37 sts).
• Row 4: K1, [k2tog, k7] 4 times (33 sts).
• Row 6: [K6, k2tog] 4 times, k1 (29 sts).
• Row 8: K1, [k2tog, k5] 4 times (25 sts).
• Row 10: [K4, k2tog] 4 times, k1 (21 sts).
• Row 12: K1, [k2tog, k3] 4 times (17 sts).
• Row 14: [K2, k2tog] 4 times, k1 (13 sts).
• Row 16: K1, [k2tog, k1] 4 times (9 sts).
• Row 18: [K2tog] 4 times, k1 (5 sts).
• Row 20: [K2tog] twice, k1 (3 sts).
• Row 22: Sl1-k2tog-psso (1 st).