World’s hardest Sudoku puzzle
Supposedly, this is one of the hardest Sudoku puzzles to solve.
It’s times like these that the internet makes me most happy. When respectable online publications publish entertaining and interesting stories about the world’s hardest Sudoku puzzle, you’d at least expect them to give you a link to it, or a picture of it. Oh, yes, you guessed it. They don’t. But I couldn’t find it anywhere! So I undustriously hunted, and eventually found the secret formula hidden away in an ASCII-like tomb of Sudoku knowledge.
