Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): [K2tog] twice, [k1, yo] twice, k2, sl2-k1-p2sso, k2, yo, k1, yo, k2, sl2-k1-p2sso, yo, M1R, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: Purl.
• Row 3: [K2tog] twice, yo, k1, yo, k2, sl2-k1-p2sso, k2, yo, k1, yo, k2, sl2-k1-p2sso, k1, yo, M1R, k1.
• Row 5: K2tog, k2, yo, k2, sl2-k1-p2sso, k2, yo, k1, yo, k2, sl2-k1-p2sso, k2, yo, M1R, k1.
• Row 7: K2tog, [k1, yo, k2, sl2-k1-p2sso, k2, yo] twice, k1, M1R, k1.
• Row 9: K2tog, yo, k2, sl2-k1-p2sso, k2, yo, k1, yo, k2, sl2-k1-p2sso, k2, yo, k2, M1R, k1.
• Row 11: K2tog, yo, k1, sl2-k1-p2sso, k2, yo, k1, yo, k2, sl2-k1-p2sso, k2, yo, k1, yo, ssk, M1R, k1.
• Row 13: K2tog, yo, sl2-k1-p2sso, k2, yo, k1, yo, k2, sl2-k1-p2sso, k2, [yo, k1] twice, ssk, M1R, k1.
• Row 15: [K2tog] twice, k2, yo, k1, yo, k2, sl2-k1-p2sso, k2, yo, k1, yo, k2, ssk, M1R, k1.