Shown with a cast-on count of 22 stitches.  

• Rows 1, 3, 5, 7, 9, and 11 (RS): Knit.
• Row 2: K3, *yo, k2, ssk, k2tog, k2, yo, k1, repeat from * to last st, k1.
• Row 4: K2, *yo, k2, ssk, k2tog, k2, yo, k1, repeat from * to last 2 sts, k2.
• Row 6: K3, *k2, yo, ssk, k2tog, ssk, yo, k1, repeat from * to last st, k1 (multiple of 8 sts, plus 4).
• Row 8: K2, *yo, ssk, k2, yo, repeat from * to last 2 sts, k2 (multiple of 5 sts, plus 4).
• Row 10: K3, *yo, ssk, k2tog, k1, repeat from * to last st, k1 (multiple of 4 sts, plus 4).
• Row 12: K2, *ssk, k2tog, repeat from * to last 2 sts, k2 (multiple of 2 sts, plus 4).
• Rows 13 and 15: *K2tog, repeat from * (multiple of 1 st).
• Row 14: Knit.