Shown with a cast-on count of 28 stitches.  

• Rows 1 and 21 (RS): *P2, k3, p2, repeat from *.
• Rows 2, 20, 22, and 40: *K2, p3, k2, repeat from *.
• Rows 3, 19, 23, and 39: *P2, p3so-k1-yo-k1, p2, repeat from *.
• Row 4: *K2, p3, k4, p1, p1 tbl, p1, k2, repeat from *.
• Row 5: *P1, 1/1 RPT, k1 tbl, 1/1 LPT, p3, k3, p2, repeat from *.
• Rows 6, 8, 10, 12, 14, and 16: *K2, p3, k3, [p1 tbl, k1] 3 times, repeat from *.
• Rows 7, 11, and 15: *[P1, k1 tbl] 3 times, p3, p3so-k1-yo-k1, p2, repeat from *.
• Rows 9 and 13: *[P1, k1 tbl] 3 times, p3, k3, p2, repeat from *.
• Row 17: *P1, 1/1 LPT, k1 tbl, 1/1 RPT, p3, k3, p2, repeat from *.
• Row 18: *K2, p3, k4, p3 tbl, k2, repeat from *.
• Row 24: *K2, p1, p1 tbl, p1, k4, p3, k2, repeat from *.
• Row 25: *P2, k3, p3, 1/1 RPT, k1 tbl, 1/1 LPT, p1, repeat from *.
• Rows 26, 28, 30, 32, 34, and 36: *[K1, p1 tbl] 3 times, k3, p3, k2, repeat from *.
• Rows 27, 31, and 35: *P2, p3so-k1-yo-k1, p3, [k1 tbl, p1] 3 times, repeat from *.
• Rows 29 and 33: *P2, k3, p3, [k1 tbl, p1] 3 times, repeat from *.
• Row 37: *P2, k3, p3, 1/1 LPT, k1 tbl, 1/1 RPT, p1, repeat from *.
• Row 38: *K2, p3 tbl, k4, p3, k2, repeat from *.