Sure, you can always use backtracking to solve any sudoku, but people come up with new, more effective strategies all the time, eg. https://www.youtube.com/watc

Sure, you can always use backtracking to solve any sudoku, but people come up with new, more effective strategies all the time, eg. https://www.youtube.com/watch?v=ZLcey7qiXv8 https://www.youtube.com/watch?v=ZLcey7qiXv8