Sudoku 12x12 - 200 Hard to Very Hard Puzzles PDF Download

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Sudoku 12x12 - 200 Hard to Very Hard Puzzles

Sudoku 12x12 - 200 Hard to Very Hard Puzzles PDF Author: Liam Parker
Publisher:
ISBN: 9781708316495
Category :
Languages : en
Pages : 118

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Book Description
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.