Shown with a cast-on count of 30 stitches.  

• Rounds 1, 8-10, and 17-18: *P1, k1 tbl, k11, k1 tbl, p1, repeat from *.
• Round 2: *P1, k1 tbl, k8, k2tog, yo, k1, k1 tbl, p1, repeat from *.
• Round 3: *P1, k1 tbl, k7, k2tog, k2, yo, k1 tbl, p1, repeat from *.
• Round 4: *P1, k1 tbl, k6, k2tog, k1, yo, k2, k1 tbl, p1, repeat from *.
• Round 5: *P1, k1 tbl, k5, k2tog, k3, yo, k1, k1 tbl, p1, repeat from *.
• Round 6: *P1, k1 tbl, k4, k2tog, k2, yo, k3, k1 tbl, p1, repeat from *.
• Round 7: *P1, k1 tbl, k3, k2tog, k4, yo, k2, k1 tbl, p1, repeat from *.
• Round 11: *P1, k1 tbl, k1, yo, k0, ssk, k8, k1 tbl, p1, repeat from *.
• Round 12: *P1, k1 tbl, k0, yo, k2, ssk, k7, k1 tbl, p1, repeat from *.
• Round 13: *P1, k1 tbl, k2, yo, k1, ssk, k6, k1 tbl, p1, repeat from *.
• Round 14: *P1, k1 tbl, k1, yo, k3, ssk, k5, k1 tbl, p1, repeat from *.
• Round 15: *P1, k1 tbl, k3, yo, k2, ssk, k4, k1 tbl, p1, repeat from *.
• Round 16: *P1, k1 tbl, k2, yo, k4, ssk, k3, k1 tbl, p1, repeat from *.