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Tough Sudoku for 27/May/2018

                 
                 
                 
                 
                 
                 
                 
                 
                 

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 mAen, everyone.
27/May/18 3:55 AM
Looks like our blue heron, except for the white face. for the lovely photo.
27/May/18 4:09 AM
(S.E. = 8.5) Basics to 25
1. (7=2)h6-h8=f8-(2=1457)ef79 =>-7e6; basics to 27
2. (9)e6=g6-g9=(9-2)i9=i5-(2=7)h6-d6=(76-4)d25=d89-e79=(4)e4 =>-9e4
3. Kraken column (3)f1458 =>-3e4; basics to More...
27/May/18 7:39 AM
Basics to 25
1.X-Chain x=2 => e9f1 <> 2
2.als1 2478 agh8 als2 2379 i249 rcc=2 => i7<>7
=> i7=1 c2=1 Basics to 27
3. WXYZ-wing 4578 a8bef7 =>c7df8<>4
4. if f9=2 => g9=0 e6=0 =>f8=2 solve
27/May/18 7:14 PM
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