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 1608, dated 2025-12-09, rated 41 and requires H2,SK.

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

900000000070060050046025090300000000600000000709000300000001809400000027000000000
010050607090000000000068003000000008400000000000000504000700080600800000270006009
000024098030000407050080003006000000023000000090000000000000800000050009001002004
000000500360000000000806000000000001021000003050000004000000000090000032735004980
043000009020100047007009000000000370000000005600000000000800050000031800900000000
000007069008009040070800005400000620310000000800000030005010000200070000060030090
090046308600530000028000600050000000000000010206000000042765900000000000007900001
380000000400009008017500000620000000034000060000000180700002690000400037000036000
000007009000020004040010507020000000190000000000000000205000080010000002830000410

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