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Stars & Stripes Sudoku, is another Sudoku variant by USA Sudoku.
Each 12 x 12 grid has the familiar 1 – 9′s, but also has three stars in each row, box and column. Instead of using letters A, B,and C, the puzzle uses three stars in the form of an asterisk (*). The difference is the 3 stars (*) are the “same”. Each row, column, and 4×3 box will contain three stars in a finished puzzle.
The 100 puzzles in this book range from easy warm-ups to ruthlessly difficult challenges and are sure to delight any puzzle solver.
There are also eleven bonus Sudoku puzzles included – six Sudoku Island puzzles and five Trividoku trivia Sudoku’s. Available via Amazon.