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Tough Sudoku for 18/February/2018

                 
                 
                 
                 
                 
                 
                 
                 
                 

Choose a number, and place it in the grid above.

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Submitted by: Gath

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Kate for the pretty photo.
18/Feb/18 4:31 AM
41:42
18/Feb/18 5:45 AM
Note: Although I found a solution to this puzzle on the day it appeared, I did not post it since it was rather long, I was tired, and I did not care to spend additional time optimizing it. I revisited this page when the subject of deadly patterns came up on the Apr 25 tough puzzle. In the More...
28/Apr/18 1:00 PM
xyz __ * __ * | xyz __ * __ * |
xyz __ * __ * | xyz __ * __ * |
xyz __ * __ * | xyz __ * __ * |

The above diagram is an attempt to represent a portion of the sudoku grid: abcdef789. The underscores are used as spacing characters; the asterisks represent irrelevant entries in bcef789 More...
28/Apr/18 1:03 PM
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