I got the sense alot of people consider a sudoku puzzle unfair if there isn't a discrete set of logical steps you can take to solve it, sans guessing. After al

I got the sense alot of people consider a sudoku puzzle unfair if there isn't a discrete set of logical steps you can take to solve it, sans guessing. After all, if you're looking for a hard Sudoku to solve in that vein, just look at the minimally unique Sudokus. Those required a metric ton of back tracking.