Shown with a cast-on count of 25 stitches.  

• Round 1: *K1, k1, yo, [k2tog, yo] twice, k2tog, k2tog, k2, repeat from * to last st, k1 (multiple of 11 sts, plus 1).
• Rounds 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36: Knit.
• Round 3: *K1, k2tog, [yo, k2tog] 3 times, k2, yo, repeat from * to last st, k1.
• Round 5: *K1, k1, yo, k2tog, yo, k2tog, k2tog, k2, yo, k1, repeat from * to last st, k1.
• Round 7: *K1, k2tog, [yo, k2tog] twice, k2, [yo, k1] twice, repeat from * to last st, k1 (multiple of 12 sts, plus 1).
• Round 9: *K1, k1, yo, k2tog, k2tog, k2, yo, k2tog, yo, k2tog, repeat from * to last st, k1 (multiple of 11 sts, plus 1).
• Round 11: *K1, k2tog, yo, k2tog, k2, yo, k1, yo, k2tog, yo, k1, repeat from * to last st, k1 (multiple of 12 sts, plus 1).
• Round 13: *K1, k1, k2tog, k2, yo, [k2tog, yo] twice, k2tog, repeat from * to last st, k1 (multiple of 11 sts, plus 1).
• Round 15: *K1, k2tog, k2, yo, k1, [yo, k2tog] twice, yo, k1, repeat from * to last st, k1 (multiple of 12 sts, plus 1).
• Round 17: *K1, k1, k2, yo, [k2tog, yo] 3 times, k2tog, repeat from * to last st, k1.
• Round 19: *K1, k2, ssk, k2tog, [yo, k2tog] twice, yo, k1, repeat from * to last st, k1 (multiple of 11 sts, plus 1).
• Round 21: *K1, yo, k2, ssk, yo, [k2tog, yo] twice, k2tog, repeat from * to last st, k1.
• Round 23: *K1, k1, yo, k2, ssk, k2tog, yo, k2tog, yo, k1, repeat from * to last st, k1.
• Round 25: *K1, [k1, yo] twice, k2, ssk, yo, k2tog, yo, k2tog, repeat from * to last st, k1 (multiple of 12 sts, plus 1).
• Round 27: *K1, k2tog, yo, k2tog, yo, k2, ssk, k2tog, yo, k1, repeat from * to last st, k1 (multiple of 11 sts, plus 1).
• Round 29: *K1, k1, yo, k2tog, yo, k1, yo, k2, ssk, yo, k2tog, repeat from * to last st, k1 (multiple of 12 sts, plus 1).
• Round 31: *K1, k2tog, [yo, k2tog] twice, yo, k2, ssk, k1, repeat from * to last st, k1 (multiple of 11 sts, plus 1).
• Round 33: *K1, k1, yo, [k2tog, yo] twice, k1, yo, k2, ssk, repeat from * to last st, k1 (multiple of 12 sts, plus 1).
• Round 35: *K1, k2tog, [yo, k2tog] 3 times, yo, k2, k1, repeat from * to last st, k1.