Twin Corresponding Sudoku Level 3: Hard Vol. 11: Play Twin Sudoku With Solutions Grid Hard Level Volumes 1-40 Sudoku Variation Travel Friendly Paper ... Math Challenge All Ages Kids to Adult Gifts

Let's play Twin Corresponding Sudoku, a two 9x9 grids puzzle version of Sudoku! Twin Corresponding Sudoku is a variation of the traditional Sudoku grid that must be solved using the rules of Sudoku, but the numbers must correspond to each other on each grid. This logic based number puzzle game using is super fun, kills boredom and is great for taking on the go when you travel by road, plane or train! Help your brain get smarter with this paper based Japanese number puzzle.Twin Corresponding Sudoku comes in 4 levels: Level 1: Easy Vol. 1 - 40, Level 2: Medium Vol. 1 - 40, Level 3: Hard Vol. 1 - 40 and Level 4: Very Hard Vol. 1 - 40. Collect all 40 volumes of each level and solve them all! Achieve Sudoku greatness! Read more