¹⁶ The city was laid out like a square, as long as it was wide. He measured the city with the rod and found it to be 12,000 stadia^[a] in length, and as wide and high as it is long. ¹⁷ The angel measured the wall using human^(A) measurement, and it was 144 cubits^[b] thick.^{[c] 18} The wall was made of jasper,^(B) and the city of pure gold, as pure as glass.^(C)