Shown with a cast-on count of 40 stitches.  

• Round 1: *P1, k2, p2, k2, p1, k2tog, ssk, p1, k2, p2, k2, p1, repeat from * (multiple of 18 sts).
• Round 2: *P1, k2, p2, k2, p1, k2, p1, k2, p2, k2, p1, repeat from *.
• Round 3: *P1, k2, p2, k2, k2tog, ssk, k2, p2, k2, p1, repeat from * (multiple of 16 sts).
• Round 4: *P1, k2, p2, k6, p2, k2, p1, repeat from *.
• Round 5: *P1, k2, p2, k1, k2tog, ssk, k1, p2, k2, p1, repeat from * (multiple of 14 sts).
• Round 6: *P1, k2, p2, k4, p2, k2, p1, repeat from *.
• Round 7: *P1, k2, p2, k2tog, ssk, p2, k2, p1, repeat from * (multiple of 12 sts).
• Round 8: *P1, k2, p2, k2, p2, k2, p1, repeat from *.
• Round 9: *P1, k2, p1, k2tog, ssk, p1, k2, p1, repeat from * (multiple of 10 sts).
• Round 10: *P1, k2, k2tog, ssk, k2, p1, repeat from * (multiple of 8 sts).
• Round 11: *P1, k1, k2tog, ssk, k1, p1, repeat from * (multiple of 6 sts).
• Round 12: *P1, k2tog, ssk, p1, repeat from * (multiple of 4 sts).