Jigsaw Sudoku, also known as Geometric Sudoku, Nonomino or Irregular Sudoku shares the same rules as a regular Sudoku puzzle, with the only difference being the fact that Jigsaw Sudoku has irregular shaped blocks as opposed to the 3x3 square blocks in a regular Sudoku puzzle. However, in Jigsaw Sudoku X puzzles there is also one more difference that will actually make the puzzle easier to solve, and that is the cross of shaded squares that run from corner to corner. Each shaded diagonal must also contain the numbers 1-9, with only one instance of each number allowed. Your task is to fill each row, column, irregular shape and both shaded diagonal with the numbers 1 - 9, with only one instance of each number allowed in any row, column, irregular shape and shaded diagonal. With only 2 puzzles per page and a 6 x 9 inch layout, the Jigsaw Sudoku Puzzle Book provides a large, clear puzzle area. 200 Hard Jigsaw Sudoku X Puzzles Handy 6 x 9 inch Book Layout Easy to read (2 Puzzles per Page) Advanced Solving Techniques May be Required Mystery Bonus Puzzles Ideal For Intermediate Puzzle Solvers Solutions Included
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