This is the Samurai Sudoku
The solver will always find a solution if it exists. If you press 'Solve', the solver will indicate that there is no solution, one solution, or more than one solution.
I am very curious why this Sudoku is called the Samurai Sudoku. If anyone can point me in the right direction, please let me know...
©2011, 2014 Renze de Waal.