Shown with a cast-on count of 30 stitches.  

• Row 1 (RS): P3, k10, p4, k10, p3.
• Rows 2, 4, 6, 8, and 10: K3, p10, k4, p10, k3.
• Row 3: P3, k6, k3tog, yo, k1, yo, p4, yo, k1, yo, sl1-k2tog-psso, k6, p3.
• Row 5: P3, k4, k3tog, k1, yo, k1, yo, k1, p4, k1, yo, k1, yo, k1, sl1-k2tog-psso, k4, p3.
• Row 7: P3, k2, k3tog, k2, yo, k1, yo, k2, p4, k2, yo, k1, yo, k2, sl1-k2tog-psso, k2, p3.
• Row 9: P3, k3tog, k3, yo, k1, yo, k3, p4, k3, yo, k1, yo, k3, sl1-k2tog-psso, p3.