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Squared Outline Sudoku*

Number Puzzles

by Henry Kwok**

 
One more variation of Sudoku on a "standard" 9x9 grid with all but two rules as in a "standard" Sudoku. The object of the puzzle is to fill in the whole 9x9 grid with numbers 1 through 9 (one number per cell) so that each horizontal line, each vertical line, and each of the nine 3x3 squares (outlined with the bold lines) must contain all the nine different numbers 1 through 9.

Two additional rules of this variant are as follows:
     A. Each of the two main diagonals of the puzzle must have the numbers 1 to 9; the rule of so-called "Diagonal Sudoku."
     B. Within the 9x9 pattern there is a highlighted outline of a "diagonal" square with its side containing five cells. Each side of the outline must contain all the five different numbers 1 through 5; their order along each side of the outline does not matter.

To solve the puzzle you can print just the above grid. For this click the image of the grid to go to a new window with this grid; then you can print it.
 
*) Puzzle concept: Copyright 2006 Henry Kwok. All Rights Reserved.
**) Henry Kwok is the author of this original Sudoku variant. Its name and appearance are the original creations first published here, at my website, AgeOfPuzzles.com.
 
Last Updated: October 14, 2008
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