Shown with a cast-on count of 26 stitches.  

• Row 1 (RS): 1/1 RC, *k6, 1/1 RC, repeat from *.
• Rows 2, 4, 10, and 12: Purl.
• Row 3: K7, *k2tog, yo wrapping yarn twice, ssk, k4, repeat from * to last 3 sts, k3 (multiple of 7 sts, plus 10).
• Row 5: K6, *k2tog, CO 1 st, k1, CO 1 st, ssk, k2, repeat from * to last 4 sts, k4.
• Rows 6 and 8: P8, *CO 1 st, p7, repeat from * to last 2 sts, p2 (multiple of 8 sts, plus 10).
• Row 7: K5, *k2tog, k2, CO 1 st, k2, ssk, repeat from * to last 5 sts, k5 (multiple of 7 sts, plus 10).
• Row 9: K4, 1/1 RC, *k6, 1/1 RC, repeat from * to last 4 sts, k4.
• Row 11: K3, k2tog, yo wrapping yarn twice, ssk, *k4, k2tog, yo wrapping yarn twice, ssk, repeat from * to last 3 sts, k3 (multiple of 7 sts, plus 9).
• Row 13: K2, *k2tog, CO 1 st, k1, CO 1 st, ssk, k2, repeat from *.
• Rows 14 and 16: P4, CO 1 st, *p7, CO 1 st, repeat from * to last 5 sts, p5 (multiple of 8 sts, plus 10).
• Row 15: K1, *k2tog, k2, CO 1 st, k2, ssk, repeat from * to last st, k1 (multiple of 7 sts, plus 2).