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Tough Sudoku for 29/April/2017

                 
                 
                 
                 
                 
                 
                 
                 
                 

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

  1 2 3 4 5 6 7 8 9
Check out the latest post in the Sudoku Forum

Sudoku Solving Techniques

Submitted by: sudoku lover

Indicate which comments you would like to be able to see

(SE 8.3) lcls to 25
1. (2=1)a5-(1=582)d6.e56 =>-2ac6; lcls to 58
2. UR(58)ei56 using externals 5e7==5i8 =>-5f8; singles to 81
29/Apr/17 12:25 AM
#25 39@bc5=>[h5<>9 & c5<>2] #26 2?@c6=>b6=6=>58@de6=>e5=1=>a5={}=>c6<>2
#30 1@c12=>b2<>1 #38 47@def3=>e1<>47 1568@e4567=>e1<>1568
#53 4@i46=>i89<>4 #57 More...
29/Apr/17 5:52 AM
Very straightforward today. Had to check that I'd actually done the 'Tough' although I couldn't enter the final number '8' to see the pic ????
29/Apr/17 12:23 PM
I had a 9 as last number to enter and had the same experience, just a symbol in the upper left corner instead of the photo.
29/Apr/17 1:24 PM
The image does not show up as a jigsaw, either, just the description in both cases. Luckily, we've seen lots of Kate's pictures on her river, so we can imagine what the picture shows!
29/Apr/17 1:26 PM
12:30
29/Apr/17 2:00 PM
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