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Tough Sudoku for 2/November/2016

                 
                 
                 
                 
                 
                 
                 
                 
                 

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

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Check out the latest post in the Sudoku Forum

Sudoku Solving Techniques

Submitted by: sudoku lover

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Maybe a few more are needed?
02/Nov/16 1:10 AM
SE 4.2
#1 SSTS to UP36
w XY-wing (4=1)i4-(1=6)e4-(6=4)f5 -> -4gi5; UP81
02/Nov/16 1:23 AM
You've got a point there, Shiela.
02/Nov/16 3:38 AM
1. Note e69=37,h36=79.Unique possibilities to 26.
2. Whether ab8=3;a3=13.UP36.
3. Whether e4=1,i4=4;OR e4=6,f5=4=c6;b7=4.UP81.
02/Nov/16 5:54 AM
Standard techniques up 32
1. UR (49)@cd56 =>(6)c5==(1)d5-(1=6)e4 =>-6f5 up 81
02/Nov/16 8:29 AM
Yay, Tough is back.
02/Nov/16 3:02 PM
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