SudoCue

Clueless Special

 

On this page you will find a unique type of puzzle. The sudoku you need to solve is made up of all center boxes of these sudokus, in the formation you see in this picture. As a reminder, they are highlighted with a light blue color. As you can see, this Sudoku is completely clueless.

To get aquainted with this format, check the Clueless Guide, which has a few solving tips and an easy starter puzzle. If you have trouble handling this puzzle format, you can download the Clueless Helper, a program that can open these puzzles directly from this website. To check your results, go to the list of submissions.

This is Clueless Special number 315, dated 2022-05-26, rated 41 and requires N2,H3,SK.

7    
     
6   8
  9  
1   7
3    
     
4   8
9    
2    
    3
  6  
     
     
  9 8
  9  
    5
    3
    5
2    
7    
6   1
  3  
     
     
     
  9  
5   1
    3
     
     
     
     
     
6   1
3 5  
    8
  2  
6    
     
     
     
     
4    
     
     
     
6 9 8
     
     
     
     
7   9
2   1
     
  2  
  7 4
    6
7    
     
  9  
     
  3  
     
    5
4    
     
4    
  2 7
  8  
9    
  3  
  3  
     
     
  1  
7 8  
9 2  
  8  
    5
  1 3
2    
  9  
    8
     
    5
  3 1
     
     
     
    1
3    
    2
     
    5
6    
9   7
8    
     
  6  
    4
     
     
     
  7 2
    7
3    
8    
     
    6
  4  
     
     
     
9    
  7  
     
  9 4
     
     
     
     
     
     
  5  
  2  
  5  
    7
    6
     
     
     
  6  
     
     
    2
     
6   1
6   9
7    
8    
    1
  4  
    3
  6  
     
2    
    2
  1  
5   4
     
     
     
  9  
    3
     
8    
5    
     
    2
  4  
1    
     
  5  
  7  
     
4 2 9
3    
    3
     
  1  
4 3  
     
8 5  
     
  9  
3    
7   9
2    
    4
  7  
  6  
1   4
2   9
     
     
     
1 8  
     
     
    8
     
     
     
     
6    
     
    2
6    
    1
    8
     
     
     
     
    7
     
  2  
     
6   1
     
     
     
7    
9    
     
7 1 2
     
  8  
5    
  9  
     
     
4    
7    
1   3
     
5 9  
     
  7  
     
     
     
    3
     
3    
     
3 9  
  4  
    2
  4  
    9
     

700090000000107408608300900501000000003000601000000350000006090020700000074000030
200000090003000005060098003008000000020000400600000000000000080005400900400027030
005601000200030000700000090000000000000000709698000201030010080000780005000920013
200000000090005000008031000000000900006000070040000000002609001000700040601800003
001000907300005800002600000094000000000000050000000020060002000000010000200504000
060000007004000300000072800050000060007000000006000000090800002003500040000000100
000000003050429000070300010000000600008000000000000002712500000000090400080000700
430000709000090200850300004600000000001000007008000000103000000000070000590000003
070209000060000180104000000020000700000000900601000000000390040300040009000002000

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Submit Answer
  • By pressing the Submit button, you agree to be added to the contestants list.
  • The e-mail address is mandatory. It will only be used to identify you in this competition. It will not be shown in the list.
  • The solution must contain the 81 digits for the blue Clueless cells.
  • You may keep any formatting, as long as there are exactly 81 digits 1 through 9 in the solution.
  • If your country is in the dropdown list, select it there. Totals by country are based on this selection.
  • The solving time is optional, but it helps me to improve the ratings for future Clueless Specials.
Name
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E-mail address *
Blue Solution *
Solving time

Was the answer correct? Were you the first? Check the list of submissions

From last week's Clueless Special archive

Number Date Rate
314Wednesday, May 25, 202241 (N2,H2,SK)
313Tuesday, May 24, 202241 (N2,H2,SK)
312Monday, May 23, 202241 (N2,SK)
311Sunday, May 22, 202241 (N2,H2,SK)
310Saturday, May 21, 202241 (N2,H2,SK)
309Friday, May 20, 202241 (N3,H2,SK)
308Thursday, May 19, 202241 (N2,H2,H3,F2,SK)
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