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Tough Sudoku for 15/February/2020

                 
                 
                 
                 
                 
                 
                 
                 
                 

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Submitted by: Gath

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Lovely photo.
15/Feb/20 12:03 AM
1. Unique possibilities to 26.
2. Whether ch5=3;a2=3.UP36.
3. Whether ah7=8;b5=8.UP81.
15/Feb/20 12:33 AM
Great photo!
15/Feb/20 12:48 AM
Basics to 26
1.X-chain x=3 =>[a4,c3,h2,i4]<>3 => a2=3 i3=3
basics to 36
2.X-chain x=8 =>[a6,b8,g6,h57,i6]<>8
=>a7=8 a6=6 solve
15/Feb/20 1:04 AM
Basics to 26
1. (3)c3=(3-28)i13 = [(8)i6=i8-b8=a79] - (8=6)a6-(6=793)abc4 =>-3c5; singles to 81
15/Feb/20 1:49 AM
Love this photo taken in mountainous country.
15/Feb/20 5:15 AM
almost looks like a photo of a painting
15/Feb/20 10:39 AM
14:55
28/May/20 7:07 AM
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