Shown with a cast-on count of 43 stitches.  

• Row 1 (RS): K6, [k4, yo, sl1-k2tog-psso, yo, k3] 3 times, k7.
• Rows 2, 4, 6, 8, 10, and 12: P43.
• Row 3: K6, [k2, k2tog, yo, k3, yo, k2tog, k1] 3 times, k7.
• Row 5: K6, [k1, k2tog, yo, k5, yo, k2tog] 3 times, k7.
• Row 7: K6, k2tog, [yo, k7, yo, sl1-k2tog-psso] twice, yo, k7, yo, k2tog, k6.
• Row 9: K6, [k2, yo, k2tog, k3, k2tog, yo, k1] 3 times, k7.
• Row 11: K6, [k3, yo, k2tog, k1, k2tog, yo, k2] 3 times, k7.