Puzzles for Brain - Mega Sudoku 400 Easy to Medium Puzzles PDF Download

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Puzzles for Brain - Mega Sudoku 400 Easy to Medium Puzzles

Puzzles for Brain - Mega Sudoku 400 Easy to Medium Puzzles PDF Author: Alexander Rodriguez
Publisher: Independently Published
ISBN: 9781073459131
Category :
Languages : en
Pages : 230

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Book Description
The puzzle a 16 x 16 grid made up of 4 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 16 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.