Shown with a cast-on count of 36 stitches.  

• Rounds 1, 3, 5-6, 8, and 48: P4, *k8, p4, repeat from * to last 8 sts, k8.
• Rounds 2, 4, 18, 20, 34, and 36: Purl.
• Round 7: P4, *[k2tog, yo] twice, k4, p4, repeat from * to last 8 sts, [k2tog, yo] twice, k4.
• Round 9: P3, *[k2tog, yo] twice, p1, 2/2 RC, p3, repeat from * to last 9 sts, [k2tog, yo] twice, p1, 2/2 RC.
• Round 10: P3, *k4, p1, k4, p3, repeat from * to last 9 sts, k4, p1, k4.
• Round 11: P2, *[k2tog, yo] twice, p2, k4, p2, repeat from * to last 10 sts, [k2tog, yo] twice, p2, k4.
• Round 12: P2, *k4, p2, k4, p2, repeat from * to last 10 sts, k4, p2, k4.
• Round 13: *P1, [k2tog, yo] twice, p3, 2/2 RC, repeat from *.
• Round 14: *P1, k4, p3, k4, repeat from *.
• Round 15: *[K2tog, yo] twice, p4, k4, repeat from *.
• Rounds 16-17, 19, 21-22, and 24: K4, *p4, k8, repeat from * to last 8 sts, p4, k4.
• Round 23: K4, p4, *[k2tog, yo] twice, k4, p4, repeat from * to last 4 sts, [k2tog, yo] twice.
• Round 25: 2/2 RC, p3, *[k2tog, yo] twice, p1, 2/2 RC, p3, repeat from * to last 5 sts, [k2tog, yo] twice, p1.
• Round 26: K4, p3, *k4, p1, k4, p3, repeat from * to last 5 sts, k4, p1.
• Round 27: K4, p2, *[k2tog, yo] twice, p2, k4, p2, repeat from * to last 6 sts, [k2tog, yo] twice, p2.
• Round 28: K4, p2, *k4, p2, k4, p2, repeat from * to last 6 sts, k4, p2.
• Round 29: 2/2 RC, p1, *[k2tog, yo] twice, p3, 2/2 RC, p1, repeat from * to last 7 sts, [k2tog, yo] twice, p3.
• Round 30: K4, p1, *k4, p3, k4, p1, repeat from * to last 7 sts, k4, p3.
• Round 31: *K4, [k2tog, yo] twice, p4, repeat from *.
• Rounds 32-33, 35, 37-38, and 40: K8, *p4, k8, repeat from * to last 4 sts, p4.
• Round 39: *[K2tog, yo] twice, k4, p4, repeat from *.
• Round 41: Yo, k2tog, yo, p1, *2/2 RC, p3, [k2tog, yo] twice, p1, repeat from * to last 9 sts, 2/2 RC, p3, k2tog.
• Round 42: K3, p1, *k4, p3, k4, p1, repeat from * to last 8 sts, k4, p3, k1.
• Round 43: K2tog, yo, p2, *k4, p2, [k2tog, yo] twice, p2, repeat from * to last 8 sts, k4, p2, k2tog, yo.
• Round 44: K2, p2, *k4, p2, k4, p2, repeat from * to last 8 sts, k4, p2, k2.
• Round 45: Yo, p3, *2/2 RC, p1, [k2tog, yo] twice, p3, repeat from * to last 9 sts, 2/2 RC, p1, k2tog, yo, k2tog.
• Round 46: K1, p3, *k4, p1, k4, p3, repeat from * to last 8 sts, k4, p1, k3.
• Round 47: P4, *k4, [k2tog, yo] twice, p4, repeat from * to last 8 sts, k4, [k2tog, yo] twice.
• Repeat rounds 1-48.