Here is one in Swift I did a few years ago that does: https://github.com/isaksky/sudoku-swift/blob/master/Sudoku-Swift/main.swift https://github.com/isaksky/su

Here is one in Swift I did a few years ago that does: https://github.com/isaksky/sudoku-swift/blob/master/Sudoku-Swift/main.swift https://github.com/isaksky/sudoku-swift/blob/master/Sudoku-S... This one solves all 50 from Euler: https://projecteuler.net/problem=96 https://projecteuler.net/problem=96 And here is a classic one in Python from Norvig: http://norvig.com/sudoku.html http://norvig.com/sudoku.html