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Tough Sudoku for 4/April/2016

                 
                 
                 
                 
                 
                 
                 
                 
                 

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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SE=7.1 UP to 55
1)S-Wing:(4=2)c1-c2=(4)d2 or (2)c1-b3=(2)d3 => d2<>2,d3<>4 UP=81
04/Apr/16 12:26 AM
Standard techniques UP 55
1. (4356=2)abfi3-(2=4)c1 =>-4i1 UP 81
04/Apr/16 1:24 AM
Hope they found lots of seeds, Wilodene. Nice photo.
04/Apr/16 3:48 AM
1. Unique possibilities to 55.
2. Whether d3=2=b8=a6;OR d3=4=i1,c1=2;c4=5.UP81.
04/Apr/16 5:35 AM
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