Now I doubt that ancient samurai spent their time with sudoku puzzles, but the site samurai-sudoku.com has an interesting twist on the popular puzzle. They combine five sudoku puzzles into one with a central puzzle attached to four surrounding puzzles. I’ve been visiting this site for years and thought I’d let the rest of the world know.
I usually go for the Evil or Fiendish puzzles, but occasionally step down to Hard. Try it out and if you get stuck, you can click on the Solve Step button. I print the things out so I won’t be tempted.
The sites been linked on my front page for a few months now, but here is a short description of what it is.