Possible Clues:

• Not level
• Bound to protect soldiers in rows
• Having rows, draw the shade
• Bound to retain sappers in the ranks
• Laid out in layers, like wedding cake
• What's worn out around the East in layers?
• Make a knot in the ruddy rows made there
• Constructed in layers, like wedding cake
• Make a knot of the ruddy part of 13 down
• Neckwear with colour in layers