Unlike classic Sudoku, Sudoku 12x12 is based on a 12x12 grid, and the object is to place the numbers 1 to 12 in the empty cells so that each row, each column, and each 4x3 box contains the same number only once.
There are 100 easy puzzles in this book.
Because of the large grid and the number of empty cells to place with logic, it is a great way to challenge and exercise your brain.
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Games