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Samurai sudoku books

Five overlapping sudoku grids on one page, for people who want more from a sudoku.

What is samurai sudoku?

Samurai sudoku is five overlapping 9 by 9 sudoku grids: one in the centre and one in each corner. Each corner grid shares one 3 by 3 box with the centre grid, so a digit you place there counts in both. The usual rules apply to every grid.

How to solve it

  1. 1Start with a corner grid and solve what you can.
  2. 2When you fill a shared box, it helps the centre grid too.
  3. 3Move between the grids: each one gives clues to the others.
  4. 4The answers are at the back.

Levels

What Easy, Medium and Hard mean here

Easy, Medium and Hard, each explained at the start of the book.

  • Easy

    A gentle way in, with the first steps easy to see.

  • Medium

    More to work out before the next step shows itself.

  • Hard

    A real challenge, for people who like to think it through.

What is inside every book

  • Five overlapping grids on every page
  • Easy, Medium and Hard
  • Answers at the back
  • Every puzzle has exactly one solution, checked by computer

Questions

When will the Samurai Sudoku books be ready?
They are being made now. We add each book to this page as soon as it is finished.
Will there be answers?
Yes. Every book has the answers at the back, so you can check your work.