A1L30R200. These are the signs of the clarifying book.
Translation endnotes
[12:1] A1L30R200. These letters/numbers play an important role in the mathematical system of the Quran based on code 19. See 74:1-56; 1:1; 2:1; 13:38; 27:82; 38:1-8; 40:28-38; 46:10; 72:28.