¹⁶ It shall be square and folded double; a span^[a] shall be its length, and a span its width. ¹⁷ You shall set in it settings of stones, four rows of stones: a row of ruby, topaz, and beryl shall be the first row; ¹⁸ and the second row a turquoise, a sapphire,^[b] and an emerald;