Sudoku x 4

The goal of the game (aka Sudoku or Number Place) is to fill in the empty cells, using the numerals 1 through 9, placing one number in each cell so that each column, row, and 3x3 region contain the numbers 1-9 exactly once. Sharpen a pencil, print this page, and get started.

Game:  

G a m e
N o t
F o u n d
Skill Level:

Game:  

        3 9     8
  9   1   4      
4         8 7    
          6 2 1 5
    6 2         9
        9     4  
  3 2   7        
  5 1         8  
7           3    
Difficulty: starstar

Game:  

  6     4     3  
3 4   9   1   7 2
    1       8    
  8     3     5  
      2   6      
9       5       7
                 
  1   5   3   6  
5 9 4       7 1 3
Difficulty: starstarstarhalf star

Game:  

6     2     3    
  5           2 9
    3 7          
  6       3 9 7  
    9 4 7 2 1    
  4 1 6       8  
          8 4    
1 2           9  
    8     7     2
Difficulty: starstarstar
starstarstarstarstarstarstarstarstarstarstarstarstarstarstar
EasyMediumHardVery HardDiabolical