SudoCue

Clueless Special

  
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 619, dated 2023-03-26, rated 41 and requires N2,H2,F2,SK.

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

007100006060030500040000098090000080070000001000000000300005000050060000000000450
000010800000700050000405000200000908806000004040000207004000000008506000030070005
000000000040000830010607050000000040000000910080000000407030000520700100000008005
800000000000000780302010000069000300004000000000000500000006920500000000000084010
000920170000000609000840050040000006060000710090000043050000001008300000034000500
600400070009000000000610908200000000000000060070000800002080600000209000004000105
900000004070024050105000708300000007006000000400000000007503800000000000003207400
702508000000000000090720106020000430060000070009000000000000007000003060080000002
005409000000050001164000000010000000000000000370000090000280010400000070800005320

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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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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
618Saturday, March 25, 202341 (N2,SK)
617Friday, March 24, 202341 (N2,H2,H3,SK)
616Thursday, March 23, 202341 (N2,N3,N4,H2,SK)
615Wednesday, March 22, 202341 (N2,N3,SK)
614Tuesday, March 21, 202341 (N2,H2,SK)
613Monday, March 20, 202341 (N2,H2,SK)
612Sunday, March 19, 202341 (N2,N3,SK)
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