Shown with a cast-on count of 37 stitches.  

• Row 1 (WS): Knit.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, and 60: Yo, knit (1 more st).
• Rows 3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, and 59: Yo, knit (1 more st).
• Row 5: Yo, k2, [k2tog] 3 times, *[yo, k1] 6 times, [k2tog] 6 times, repeat from * to last 14 sts, [yo, k1] 6 times, [k2tog] 3 times, k2 (multiple of 18 sts, plus 23).
• Row 9: Yo, k3, k2tog, yo, k1, [k2tog] twice, *[yo, k1] 6 times, [k2tog] 6 times, repeat from * to last 16 sts, [yo, k1] 6 times, [k2tog] twice, k1, yo, k2tog, k3 (multiple of 18 sts, plus 29).
• Rows 13 and 37: Yo, k3, [yo, k1] twice, [k2tog] 4 times, *[yo, k1] 6 times, [k2tog] 6 times, repeat from * to last 19 sts, [yo, k1] 6 times, [k2tog] 4 times, [yo, k1] twice, k3 (multiple of 18 sts, plus 35).
• Rows 17 and 41: Yo, k3, [yo, k1] 3 times, [k2tog] 5 times, *[yo, k1] 6 times, [k2tog] 6 times, repeat from * to last 22 sts, [yo, k1] 6 times, [k2tog] 5 times, [yo, k1] 3 times, k3 (multiple of 18 sts, plus 41).
• Rows 21 and 45: Yo, k3, [yo, k1] 4 times, [k2tog] 6 times, *[yo, k1] 6 times, [k2tog] 6 times, repeat from * to last 7 sts, [yo, k1] 4 times, k3 (multiple of 18 sts, plus 29).
• Rows 25 and 49: Yo, k3, k2tog, [yo, k1] 5 times, [k2tog] 6 times, *[yo, k1] 6 times, [k2tog] 6 times, repeat from * to last 10 sts, [yo, k1] 5 times, k2tog, k3 (multiple of 18 sts, plus 35).
• Rows 29 and 53: Yo, k3, [k2tog] twice, *[yo, k1] 6 times, [k2tog] 6 times, repeat from * to last 13 sts, [yo, k1] 6 times, [k2tog] twice, k3 (multiple of 18 sts, plus 23).
• Rows 33 and 57: Yo, k3, yo, k1, [k2tog] 3 times, *[yo, k1] 6 times, [k2tog] 6 times, repeat from * to last 16 sts, [yo, k1] 6 times, [k2tog] 3 times, k1, yo, k3 (multiple of 18 sts, plus 29).