"Lay" - a monument of ancient Russian literature, written in a very uncomfortable for modern human language. Remember it is virtually impossible, and the ability to deaf rote obscure texts is, unfortunately, not at all. Therefore, every schoolchild in Russia will sooner or later have to suffer - to memorize a passage.
Young talent, whose name we unfortunately do not know, solved the problem cleverly and gracefully. It requires passage he did not yield, and he simply painted.
Teachers, no matter how trying, could not call it a cheat sheet in the conventional sense, and they had to allow the resourceful student to use it.
That's what it was encrypted: