Shown with a cast-on count of 42 stitches.  

• Row 1 (RS): K2, k2tog, [yo] twice, ssk, k1, *k1, k2tog, [yo] twice, ssk, k1, 1/1 RC, k1, k2tog, [yo] twice, ssk, k1, repeat from * to last 7 sts, k1, k2tog, [yo] twice, ssk, k2.
• Row 2: P3, k1, p3, *p2, k1, p7, k1, p3, repeat from * to last 7 sts, p2, k1, p4.
• Row 3: K1, k2tog, k2, [yo] twice, ssk, *k2tog, [yo] twice, k2, ssk, k2, k2tog, k2, [yo] twice, ssk, repeat from * to last 7 sts, k2tog, [yo] twice, k2, ssk, k1.
• Rows 4 and 12: P4, k1, p2, *p1, k1, p9, k1, p2, repeat from * to last 7 sts, p1, k1, p5.
• Row 5: K2tog, yo, ssk, k2, yo, *1/1 RC, yo, k2, [k2tog, yo, ssk] twice, k2, yo, repeat from * to last 8 sts, 1/1 RC, yo, k2, k2tog, yo, ssk.
• Rows 6 and 14: Purl.
• Row 7: K2, yo, ssk, k1, k2tog, yo, *yo, ssk, k1, k2tog, yo, k1, 1/1 RC, k1, yo, ssk, k1, k2tog, yo, repeat from * to last 7 sts, yo, ssk, k1, k2tog, yo, k2.
• Rows 8 and 16: P6, k1, *p13, k1, repeat from * to last 7 sts, p7.
• Row 9: Yo, ssk, k2, k2tog, k1, yo, *yo, k1, ssk, k2, k2tog, [yo] twice, ssk, k2, k2tog, k1, yo, repeat from * to last 7 sts, yo, k1, ssk, k2, k2tog, yo.
• Row 10: P6, k1, *[p6, k1] twice, repeat from * to last 7 sts, p7.
• Row 11: K1, ssk, k2tog, k1, [yo] twice, k1, *k1, [yo] twice, k1, ssk, k2tog, k2, ssk, k2tog, k1, [yo] twice, k1, repeat from * to last 7 sts, k1, [yo] twice, k1, ssk, k2tog, k1.
• Row 13: K2tog, ssk, yo, k1, yo, k2, *k2, yo, k1, yo, [k2tog, ssk] twice, yo, k1, yo, k2, repeat from * to last 7 sts, k2, yo, k1, yo, k2tog, ssk.
• Row 15: K2tog, yo, k1, ssk, k2, yo, *yo, k2, k2tog, k1, yo, ssk, k2tog, yo, k1, ssk, k2, yo, repeat from * to last 7 sts, yo, k2, k2tog, k1, yo, ssk.