Shown with a cast-on count of 34 stitches.  

• Round 1: *P1, k2, yo, ssk, p1, ssk, [k1, yo] 6 times, k1, k2tog, repeat from * (multiple of 21 sts).
• Round 2: *P1, k2tog, yo, k2, p1, ssk, k11, k2tog, repeat from * (multiple of 19 sts).
• Round 3: *P1, k2, yo, ssk, p1, ssk, k9, k2tog, repeat from * (multiple of 17 sts).
• Round 4: *P1, k2tog, yo, k2, p1, ssk, [k1, yo] 6 times, k1, k2tog, repeat from * (multiple of 21 sts).
• Round 5: *P1, k2, yo, ssk, p1, ssk, k11, k2tog, repeat from * (multiple of 19 sts).
• Round 6: *P1, k2tog, yo, k2, p1, ssk, k9, k2tog, repeat from * (multiple of 17 sts).
• Repeat rounds 1-6.