Shown with a cast-on count of 13 stitches.  

• Round 1: [K1, p1] 6 times, k1.
• Round 2: K1, M1L, [p1, k1] twice, M1L, p1, k1, p1, M1R, [k1, p1] twice, M1R, k1 (17 sts).
• Round 3: [K2, p1, k1, p1] 3 times, k2.
• Round 4: K1, M1L, [k1, p1] twice, k1, M1L, [k1, p1] twice, k1, M1R, k1, [p1, k1] twice, M1R, k1 (21 sts).
• Round 5: [K1, p1] 10 times, k1.
• Round 6: K1, M1L, [p1, k1] 3 times, M1L, [p1, k1] 3 times, p1, M1R, [k1, p1] 3 times, M1R, k1 (25 sts).
• Round 7: K2, [p1, k1] 3 times, [k1, p1] 4 times, k2, [p1, k1] 3 times, k1.
• Round 8: K1, M1L, [k1, p1] 3 times, k1, M1L, [k1, p1] 4 times, k1, M1R, [k1, p1] 3 times, k1, M1R, k1 (29 sts).
• Rounds 9, 13, and 17-30: *K1, p1, repeat from * to last st, k1.
• Round 10: K1, M1L, *p1, k1, repeat from * to last 2 sts, p1, M1R, k1 (31 sts).
• Rounds 11 and 15: K1, *k1, p1, repeat from * to last 2 sts, k2.
• Round 12: K1, M1L, *k1, p1, repeat from * to last 2 sts, k1, M1R, k1 (33 sts).
• Round 14: K1, M1L, *p1, k1, repeat from * to last 2 sts, p1, M1R, k1 (35 sts).
• Round 16: K1, M1L, *k1, p1, repeat from * to last 2 sts, k1, M1R, k1 (37 sts).