Shown with a cast-on count of 17 stitches.  

• Round 1: K3, p11, k3.
• Round 2: K3, p2, incLp, p3, (k1, p1, k1) in next st, p3, incRp, p2, k3 (21 sts).
• Round 3: K3, p2, 5-to-3 gather, p1, 5-to-3 gather, p2, k3 (17 sts).
• Round 4: K3, p2, k2, k1 tbl, k3, k1 tbl, p2, k3.
• Rounds 5-7: K3, p2, k7, p2, k3.
• Round 8: K3, M1Rp, p2, ssk, k3, k2tog, p2, M1Lp, k3.
• Round 9: K3, p3, k5, p3, k3.
• Round 10: K3, M1Rp, p3, ssk, k1, k2tog, p3, M1Lp, k3.
• Round 11: K3, p4, k1 tbl, k2, p4, k3.
• Round 12: K3, M1Rp, p4, sl2-k1-p2sso, p4, M1Lp, k3.