Shown with a cast-on count of 31 stitches.  

• Rows 1 and 25 (RS): *P3, k0, yo, k1, yo, k0, p3, k2, k2tog, k3, repeat from * to last 3 sts, p3 (multiple of 15 sts, plus 3).
• Rows 2 and 26: K3, *p6, k3, p3, k3, repeat from *.
• Rows 3 and 27: *P3, k1, yo, k1, yo, k1, p3, k2, k2tog, k2, repeat from * to last 3 sts, p3 (multiple of 16 sts, plus 3).
• Rows 4, 16, 28, and 40: K3, *p5, k3, p5, k3, repeat from *.
• Rows 5 and 29: *P3, k2, yo, k1, yo, k2, p3, k2, k2tog, k1, repeat from * to last 3 sts, p3 (multiple of 17 sts, plus 3).
• Rows 6 and 30: K3, *p4, k3, p7, k3, repeat from *.
• Rows 7 and 31: *P3, k3, yo, k1, yo, k3, p3, k2, k2tog, k0, repeat from * to last 3 sts, p3 (multiple of 18 sts, plus 3).
• Rows 8 and 32: K3, *p3, k3, p9, k3, repeat from *.
• Rows 9 and 33: *P3, k2, k2tog, k5, p3, k1, k2tog, repeat from * to last 3 sts, p3 (multiple of 16 sts, plus 3).
• Rows 10 and 34: K3, *p2, k3, p8, k3, repeat from *.
• Rows 11 and 35: *P3, k2, k2tog, k4, p3, k2tog, repeat from * to last 3 sts, p3 (multiple of 14 sts, plus 3).
• Rows 12 and 36: K3, *p1, k3, p7, k3, repeat from *.
• Rows 13 and 37: *P3, k2, k2tog, k3, p3, k0, yo, k1, yo, k0, repeat from * to last 3 sts, p3 (multiple of 15 sts, plus 3).
• Rows 14 and 38: K3, *p3, k3, p6, k3, repeat from *.
• Rows 15 and 39: *P3, k2, k2tog, k2, p3, k1, yo, k1, yo, k1, repeat from * to last 3 sts, p3 (multiple of 16 sts, plus 3).
• Rows 17 and 41: *P3, k2, k2tog, k1, p3, k2, yo, k1, yo, k2, repeat from * to last 3 sts, p3 (multiple of 17 sts, plus 3).
• Rows 18 and 42: K3, *p7, k3, p4, k3, repeat from *.
• Rows 19 and 43: *P3, k2, k2tog, k0, p3, k3, yo, k1, yo, k3, repeat from * to last 3 sts, p3 (multiple of 18 sts, plus 3).
• Rows 20 and 44: K3, *p9, k3, p3, k3, repeat from *.
• Rows 21 and 45: *P3, k1, k2tog, p3, k2, k2tog, k5, repeat from * to last 3 sts, p3 (multiple of 16 sts, plus 3).
• Rows 22 and 46: K3, *p8, k3, p2, k3, repeat from *.
• Rows 23 and 47: *P3, k2tog, p3, k2, k2tog, k4, repeat from * to last 3 sts, p3 (multiple of 14 sts, plus 3).
• Row 24: K3, *p7, k3, p1, k3, repeat from *.
• Row 48: K3, *p7, k7, repeat from *.
• Row 49: *P7, k2, k2tog, k3, repeat from * to last 3 sts, p3 (multiple of 13 sts, plus 3).
• Row 50: K3, *p6, k7, repeat from *.
• Row 51: *P7, k2, k2tog, k2, repeat from * to last 3 sts, p3 (multiple of 12 sts, plus 3).
• Row 52: K3, *p5, k7, repeat from *.
• Row 53: *P7, k2, k2tog, k1, repeat from * to last 3 sts, p3 (multiple of 11 sts, plus 3).
• Row 54: K3, *p4, k7, repeat from *.
• Row 55: *P7, k2, k2tog, repeat from * to last 3 sts, p3 (multiple of 10 sts, plus 3).
• Row 56: K3, *p3, k7, repeat from *.
• Row 57: *P7, k1, k2tog, repeat from * to last 3 sts, p3 (multiple of 9 sts, plus 3).
• Row 58: K3, *p2, k7, repeat from *.
• Row 59: *P7, k2tog, repeat from * to last 3 sts, p3 (multiple of 8 sts, plus 3).
• Row 60: Knit.
• Repeat rows 1-24.