Shown with a cast-on count of 38 stitches.  

• Rows 1 and 3 (RS): K1, [k1, p1] 18 times, k1.
• Rows 2 and 4: P1, [k1, p1] 18 times, p1.
• Rows 5, 9, 17, 21, 29, 33, and 47: K2, p2, k4, p2, k1 tbl, p2, k12, p2, k1 tbl, p2, k4, p2, k2.
• Rows 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, and 48: P2, k2, p4, k2, p1 tbl, k2, p12, k2, p1 tbl, k2, p4, k2, p2.
• Rows 7, 19, and 31: K2, p2, 2/2 LC, p2, k1 tbl, p2, 4/4 LC, k4, p2, k1 tbl, p2, 2/2 LC, p2, k2.
• Rows 11, 15, 23, 27, 35, 39, and 45: K2, p2, 2/2 LC, p2, k1 tbl, p2, k12, p2, k1 tbl, p2, 2/2 LC, p2, k2.
• Rows 13, 25, and 37: K2, p2, k4, p2, k1 tbl, p2, k4, 4/4 RC, p2, k1 tbl, p2, k4, p2, k2.
• Row 41: K2, p2, k4, p2, k1 tbl, p2, 4/4 LC, k4, p2, k1 tbl, p2, k4, p2, k2.
• Row 43: K2, p2, 2/2 LC, p2, k1 tbl, p2, k12, p2, k1 tbl, p2, k4, p2, k2.