Trivial171

Trivial171 (Also known as Mitchell Lee) is one of the most admired sudoku constructors that has been featured on Cracking The Cryptic. His greatest contribution to sudoku is the Miracle Sudoku, a sudoku that only has a given 1 and 2 in it, but also an anti-king, anti-knight, and nonconsecutive ruleset. Mitchell Lee also helped popularize the concept of Set Equivalence in sudoku.