Shown with a cast-on count of 10 stitches.  

• Row 1 (RS): Yo, k1, k1 tbl, k2tog, k1 tbl, k1, k1 tbl, k2tog, yo, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, and 40: P10.
• Row 3: K1, yo, k1 tbl, ssk, k1, k1 tbl, k2tog, k1 tbl, yo, k1 tbl.
• Row 5: K1, k2tog, yo, k1, ssk, k2tog, yo, k1, yo, k1.
• Row 7: K2tog, yo, k1, k1 tbl, ssk, k1 tbl, k2tog, yo, k1, yo.
• Row 9: K1, k1 tbl, k1, yo, k1 tbl, sl2-k1-p2sso, k1 tbl, k1, yo, k1.
• Row 11: K1, yo, k1, yo, k1 tbl, sl2-k1-p2sso, k1 tbl, k1, ssk, yo.
• Row 13: K1 tbl, ssk, yo, k1, k1 tbl, k2tog, k1 tbl, k1, yo, k1 tbl.
• Row 15: K1, yo, k1 tbl, yo, k2tog, k1 tbl, ssk, k1 tbl, k1, k1 tbl.
• Row 17: K1, yo, k1 tbl, k2tog, k1 tbl, k1, k1 tbl, yo, ssk, k1 tbl.
• Row 19: K1, k1 tbl, ssk, k1 tbl, yo, k1 tbl, k1, yo, k1, ssk.
• Row 21: K1 tbl, k1, yo, ssk, k1 tbl, k1, k1 tbl, k1, yo, k2tog.
• Row 23: K1, k1 tbl, yo, ssk, k1 tbl, k1, yo, k2tog, yo, ssk.
• Row 25: K1 tbl, k2, k2tog, k1 tbl, k1, k1 tbl, k1, k1 tbl, yo.
• Row 27: Ssk, yo, k2tog, k2, k2tog, k1 tbl, yo, k1, yo.
• Row 29: K1 tbl, sl2-k1-p2sso, k1, k1 tbl, k1 tbl, k1, yo, k1, yo, k1.
• Row 31: Ssk, 1/1 RC, k2, ssk, k1, yo, k1 tbl, yo.
• Row 33: K1, k2tog, k1 tbl, k2, k1 tbl, yo, k2, k1 tbl.
• Row 35: K2tog, k1 tbl, k1, k1 tbl, k1, yo, k2, k1 tbl, k1 tbl.
• Row 37: K1 tbl, k2, k1 tbl, k2tog, yo, k1, yo, k1 tbl, k2tog.
• Row 39: K2, k1 tbl, k1, k1 tbl, k1, yo, k1 tbl, k2tog, k1 tbl.