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Tough Sudoku for 16/January/2020

                 
                 
                 
                 
                 
                 
                 
                 
                 

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Sudoku Solving Techniques

Submitted by: sudoku lover

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Such a pure, brilliant yellow!
16/Jan/20 1:59 AM
Lots of pretty yellow flowers!
16/Jan/20 6:04 AM
Beautiful bunch of yellow flowers
Lovely photo
16/Jan/20 6:39 AM
(S.E. 8.9) Basics to 27
1. (6)b2=b7-(6=9)i7-h79=(9)h2*-(9=1)i2 =>-1b2, -9b2*
2. (6=15)g45-h6=h3-a3=(5-193)b134=(3)i4 =>-6i4; basics to 30
3. (5)a8=a3-(5=8)h3-(8*=51)g5h6-g9=h9-(1=2)h2-(2=978)a245 =>-7a8, -8a6*
4. Almost finned X-wing [(9)ab3=f3-f5=a5] = More...
16/Jan/20 9:58 AM
Forsythia, I believe.
16/Jan/20 4:24 PM
Basics to 27
1.if h8=2 =>b8=c5=i4=3 hi2=19 i1=h6=8 h3=g5=5
i5=1 g4=i7=b2=6 a9c79=246 b7=e8=f5 c1=0 =>h8=3
basics to 28
2. if h6=5 =>d5=5 g5=h9=1 g4=i7=b2=6 a245=789
i12=19 h2=2 a6=6=c9 h3=8
b4=e6=f1=i4=0 => g5=5 solve
16/Jan/20 9:39 PM
44:23
27/Jan/20 7:43 AM
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