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 1550, dated 2025-10-12, rated 41 and requires N2,H2,SK.

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

563000010009080700000900000230000000000000090014000075050000020370000680006043000
600901004040000000002030960500000198000000000001000300000002400009000800070315000
000200010060001007008000000010000060000000300000000080000090076000070003300800020
804000000000906010000030006903000000000000004000000020302000080008029000041600900
069400000001300008000009070748000000006000000005000080800003500000800010002000037
000410070500000012000300009000000601960000000002000000050040000093000800080000003
009100000040200300350000800000000000700000000060000001400010080003090605000804003
000000700480000000701006000005000004006000030000000500070680000503000800000102000
070000510000010002034005090000000004540000000000000600600008001000000403007006000

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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
1549Saturday, October 11, 202541 (N2,H2,F2,SK)
1548Friday, October 10, 202541 (N2,N3,SK)
1547Thursday, October 9, 202541 (N2,F2,SK)
1546Wednesday, October 8, 202541 (N2,H2,SK)
1545Tuesday, October 7, 202541 (N2,H2,F2,SK)
1544Monday, October 6, 202541 (N2,SK)
1543Sunday, October 5, 202541 (N2,H2,SK)
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