Shown with a cast-on count of 16 stitches.  

• Round 1: [P4] 4 times.
• Round 2: [P1, k1, p1, k1] 4 times.
• Round 3: [P1, M1L, k1, M1L, p1, k1] 4 times (24 sts).
• Round 4: [P1, k1, k1, k1, p1, k1] 4 times.
• Round 5: [P1, k1, M1Lp, k1, M1Lp, k1, p1, k1] 4 times (32 sts).
• Round 6: [P1, k1, p1, k1, [p1, k1] twice] 4 times.
• Round 7: [P1, k1, p1, M1L, k1, M1L, [p1, k1] twice] 4 times (40 sts).
• Round 8: [[P1, k1] twice, k1, [k1, p1] twice, k1] 4 times.
• Round 9: [[P1, k1] twice, M1Lp, k1, M1Lp, [k1, p1] twice, k1] 4 times (48 sts).
• Round 10: [[P1, k1] twice, p1, k1, [p1, k1] 3 times] 4 times.
• Round 11: [[P1, k1] twice, p1, M1L, k1, M1L, [p1, k1] 3 times] 4 times (56 sts).
• Round 12: [[P1, k1] 3 times, k1, [k1, p1] 3 times, k1] 4 times.
• Round 13: [[P1, k1] 3 times, M1Lp, k1, M1Lp, [k1, p1] 3 times, k1] 4 times (64 sts).
• Round 14: [[P1, k1] 3 times, p1, k1, [p1, k1] 4 times] 4 times.
• Round 15: [[P1, k1] 3 times, p1, M1L, k1, M1L, [p1, k1] 4 times] 4 times (72 sts).
• Round 16: [[P1, k1] 4 times, k1, [k1, p1] 4 times, k1] 4 times.
• Round 17: [[P1, k1] 4 times, M1Lp, k1, M1Lp, [k1, p1] 4 times, k1] 4 times (80 sts).
• Round 18: [[P1, k1] 4 times, p1, k1, [p1, k1] 5 times] 4 times.
• Round 19: [[P1, k1] 4 times, p1, M1L, k1, M1L, [p1, k1] 5 times] 4 times (88 sts).
• Round 20: [[P1, k1] 5 times, k1, [k1, p1] 5 times, k1] 4 times.
• Round 21: [[P1, k1] 5 times, M1Lp, k1, M1Lp, [k1, p1] 5 times, k1] 4 times (96 sts).
• Round 22: [[P1, k1] 5 times, p1, k1, [p1, k1] 6 times] 4 times.