Shown with a cast-on count of 42 stitches.  

• Row 1 (RS): *P3, k6, p3, [k1, yo] twice, k1, repeat from * to last 12 sts, p3, k6, p3 (multiple of 17 sts, plus 12).
• Rows 2 and 8: K3, p6, k3, *p5, k3, p6, k3, repeat from *.
• Row 3: *P3, 3/3 LC, p3, k2, yo, k1, yo, k2, repeat from * to last 12 sts, p3, 3/3 LC, p3 (multiple of 19 sts, plus 12).
• Rows 4 and 6: K3, p6, k3, *p7, k3, p6, k3, repeat from *.
• Row 5: *P3, k6, p3, ssk, k1, [yo, k1] twice, k2tog, repeat from * to last 12 sts, p3, k6, p3.
• Row 7: *P3, k6, p3, ssk, k3, k2tog, repeat from * to last 12 sts, p3, k6, p3 (multiple of 17 sts, plus 12).
• Row 9: *P3, k6, p3, ssk, k1, k2tog, repeat from * to last 12 sts, p3, k6, p3 (multiple of 15 sts, plus 12).
• Rows 10 and 12: K3, p6, k3, *p3, k3, p6, k3, repeat from *.
• Row 11: *P3, k6, p3, yo, sl1-k2tog-psso, yo, repeat from * to last 12 sts, p3, k6, p3.