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Toroidal SudokuToroidal Sudoku is one of the more unusual variants of sudoku out there. The rows and columns must contains 1 - 6 once and once only as with standard sudoku, however the 3 x 2 boxes can actually wrap around the puzzle, a bit like in Pacman where you can go off the edge of the screen and back on the other side! The regions are demarcated by six different colours, and each region of 6 must also contain 1 - 6 once only.
Play a Sample Toroidal Sudoku Puzzle >>>
Toroidal Sudoku: Choose Your Puzzle
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