Shown with a cast-on count of 30 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19 (WS): P30.
• Row 2: Yo, ssk, k4, k2tog, yo, ssk, k2tog, yo, k2, yo, k6, yo, ssk, k8.
• Row 4: K1, yo, ssk, k3, k2tog, yo, sl2-k1-p2sso, yo, k3, yo, k7, yo, ssk, k7.
• Row 6: K2tog, yo, ssk, k2, k2tog, yo, k2tog, yo, k4, yo, k8, yo, ssk, k6.
• Row 8: K2tog, yo, ssk, k1, k2tog, yo, k2tog, yo, k5, yo, k9, yo, ssk, k5.
• Row 10: K2tog, yo, ssk, k2tog, yo, k2, yo, k6, yo, ssk, k8, yo, ssk, k4.
• Row 12: K2tog, yo, sl2-k1-p2sso, yo, k3, yo, k7, yo, ssk, k8, yo, ssk, k3.
• Row 14: Yo, ssk, yo, k4, yo, k8, yo, ssk, k6, k2tog, yo, ssk, k2, k2tog.
• Row 16: K2tog, yo, k5, yo, k9, yo, ssk, k5, k2tog, yo, ssk, k1, k2tog, yo.
• Row 18: K1, yo, k6, yo, ssk, k8, yo, ssk, k4, k2tog, yo, ssk, k2tog, yo, k1.
• Row 20: K1, yo, k7, yo, ssk, k8, yo, ssk, k3, k2tog, yo, sl2-k1-p2sso, yo, k2.