Shown with a cast-on count of 54 stitches.  

• Row 1 (RS): Yo, ssk, k1, 1/1 RC, k4, *k4, 1/1 LC, k1, k2tog, [yo] twice, ssk, k1, 1/1 RC, k4, repeat from * to last 9 sts, k4, 1/1 LC, k1, k2tog, yo.
• Rows 2 and 10: P9, *p8, k1, p9, repeat from * to last 9 sts, p9.
• Row 3: [1/1 RC] twice, k1, [k2tog, yo] twice, *[yo, ssk] twice, k1, [1/1 LC] twice, [1/1 RC] twice, k1, [k2tog, yo] twice, repeat from * to last 9 sts, [yo, ssk] twice, k1, [1/1 LC] twice.
• Rows 4 and 8: P8, k1, *p17, k1, repeat from * to last 9 sts, p9.
• Row 5: K4, [k2tog, yo] twice, k1, *k1, [yo, ssk] twice, k3, 1/1 RC, k3, [k2tog, yo] twice, k1, repeat from * to last 9 sts, k1, [yo, ssk] twice, k4.
• Rows 6 and 12: Purl.
• Row 7: K4, 1/1 LC, k1, k2tog, yo, *yo, ssk, k1, 1/1 RC, k8, 1/1 LC, k1, k2tog, yo, repeat from * to last 9 sts, yo, ssk, k1, 1/1 RC, k4.
• Row 9: [Yo, ssk] twice, k1, [1/1 LC] twice, *[1/1 RC] twice, k1, k2tog, yo, k2tog, [yo] twice, ssk, yo, ssk, k1, [1/1 LC] twice, repeat from * to last 9 sts, [1/1 RC] twice, k1, [k2tog, yo] twice.
• Row 11: K1, [yo, ssk] twice, k3, 1/1 RC, *k3, [k2tog, yo] twice, k2, [yo, ssk] twice, k3, 1/1 RC, repeat from * to last 8 sts, k3, [k2tog, yo] twice, k1.