Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): P1, *k4, ssk, k1, k2tog, repeat from * to last st, p1 (multiple of 7 sts, plus 2).
• Row 2: P1, *yo, p3, yo, p4, repeat from * to last st, p1 (multiple of 9 sts, plus 2).
• Row 3: P1, *ssk, k1, k2tog, k4, repeat from * to last st, p1 (multiple of 7 sts, plus 2).
• Row 4: P1, *p4, yo, p3, yo, repeat from * to last st, p1 (multiple of 9 sts, plus 2).
• Rows 5 and 11: P1, *k2, ssk, k1, k2tog, k2, repeat from * to last st, p1 (multiple of 7 sts, plus 2).
• Rows 6 and 12: P1, *p2, yo, p3, yo, p2, repeat from * to last st, p1 (multiple of 9 sts, plus 2).
• Row 7: P1, *k3, ssk, k1, k2tog, k1, repeat from * to last st, p1 (multiple of 7 sts, plus 2).
• Row 8: P1, *p1, yo, p3, yo, p3, repeat from * to last st, p1 (multiple of 9 sts, plus 2).
• Row 9: P1, *k1, ssk, k1, k2tog, k3, repeat from * to last st, p1 (multiple of 7 sts, plus 2).
• Row 10: P1, *p3, yo, p3, yo, p1, repeat from * to last st, p1 (multiple of 9 sts, plus 2).