The variations in Round2 in this month are UnTouch Sudoku, Outside Sudoku, Killer Sudoku, No Knight Step Sudoku,

Rules and examples are provided below.

## AuthorSudokus for December 2012 are written By Tom Collyer (detuned) |
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## Classic SudokuPlace the digits 1 through 9 into the empty cells in the grid so that each digit appears exactly once in each of the rows, columns, and bold outlined 3X3 boxes. Answer key for the above Sudoku is : 416978325, 327186459 ## Outside SudokuApply Classic Sudoku rules. ## Killer SudokuApply Classic Sudoku rules. ## No Knight Step SudokuApply Classic Sudoku rules. If you want to print this page, click here to print without the background colors |