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Tough Sudoku for 2/December/2019

                 
                 
                 
                 
                 
                 
                 
                 
                 

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

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Sudoku Solving Techniques

Submitted by: sudoku lover

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Good Morning, Wagdy! Long time, no see!
02/Dec/19 1:02 AM
Basics to 26
1. X-wing (3)19\cf =>-3c38.f37; basics to 30
2. (4)g2=gh1-(4=3)f1-e3=(3-87)ac3=(7)i3=>-7g2; basics to 81
02/Dec/19 1:09 AM
Basics to 30
1.if c1=3 =>UR47 dg89 =>a3=3 solve e3=3 e2=5 d1=6
d7=2 f1=4 f3=7 h16=58
02/Dec/19 1:35 AM
Basics to 26
1. (4)g2 = gh1 - (4=53)f17 - (3*)f9 = c9 - c1 = (3*)f1 - ef3 = (387)aci3 => -7g2, -3*f7 ; UP = 81
02/Dec/19 2:51 AM
Nice spot for a photo. Wagdy.
02/Dec/19 6:40 AM
18:06
23/Dec/19 5:35 AM
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