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Sudoku Variants Puzzles Book for Adults - 400 Expert sudoku puzzles Sudoku 12x12, Jigsaw Sudoku 10x10, Killer Sudoku 10x10,Tridoku
The puzzle a 12 x 12 grid made up of 3 x 4 subgrids (called “regions”). Some cells already contain numbers, known as “givens”. The goal is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1 through 12 exactly once. Each number in the solution therefore occurs only once in each of three “directions”, hence the “single numbers” implied by the puzzle’s name.
The rules of Jigsaw Sudoku are similar to standard Sudoku, since you must place each of the numbers 1 to 10 (or 1 to whatever the size of the puzzle is) into each of the rows and columns. However whereas standard Sudoku also has rectangular boxes that must each contain every number, in Jigsaw Sudoku these boxes are replaced by different bold-lined shapes that must each contain every number instead.
Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular fill every row, column and 5x2 region with the numbers 1-10 once. The difference is how you arrive at those numbers.The objective is to fill the grid with numbers from 1 to 10 in a way that the following conditions are row, column, and nonet contains each number exactly once.The sum of all numbers in a cage must match the small number printed in its corner.No number appears more than once in a cage. (This is the standard rule for killer sudokus, and implies that no cage can include more than 10 cells.)
Tridoku consists of nine large triangles; the numbers 1 through 9 must be placed into the triangular cells of each large triangle. Also, the numbers 1 through 9 must be placed in the three legs of the inner shaded triangle and in the three legs of the outer shaded triangle. No two neighboring cells may contain the same number.
The rules of Jigsaw Sudoku are similar to standard Sudoku, since you must place each of the numbers 1 to 10 (or 1 to whatever the size of the puzzle is) into each of the rows and columns. However whereas standard Sudoku also has rectangular boxes that must each contain every number, in Jigsaw Sudoku these boxes are replaced by different bold-lined shapes that must each contain every number instead.
Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular fill every row, column and 5x2 region with the numbers 1-10 once. The difference is how you arrive at those numbers.The objective is to fill the grid with numbers from 1 to 10 in a way that the following conditions are row, column, and nonet contains each number exactly once.The sum of all numbers in a cage must match the small number printed in its corner.No number appears more than once in a cage. (This is the standard rule for killer sudokus, and implies that no cage can include more than 10 cells.)
Tridoku consists of nine large triangles; the numbers 1 through 9 must be placed into the triangular cells of each large triangle. Also, the numbers 1 through 9 must be placed in the three legs of the inner shaded triangle and in the three legs of the outer shaded triangle. No two neighboring cells may contain the same number.
230 pages, Paperback
Published November 25, 2021
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