Shown with a cast-on count of 64 stitches.  

• Round 1: P3, 1/1 LC, purl.
• Round 2: P4, 1/1 LC, purl.
• Round 3: P5, 1/1 LC, purl.
• Round 4: P6, 1/1 LC, purl.
• Round 5: P7, 1/1 LC, purl.
• Round 6: P8, 1/1 LC, purl.
• Round 7: P9, 1/1 LC, k43, p10.
• Round 8: P7, 1/1 RC, p6, k10, purl.
• Round 9: P6, 1/1 RC, p6, [3/2 RC, 2/3 LC, p4] 3 times, purl.
• Round 10: P5, 1/1 RC, [k10, p4] 3 times, purl.
• Round 11: P4, 1/1 RC, p9, [k10, p4] 3 times, purl.
• Round 12: P15, [k10, p4] 3 times, purl.