9x9 Sudoku-type puzzle
 
              - 
                
                  
                                  
                
To solve a Sudoku X-Factor puzzle, every number from 1 to 9 must appear in:
Each of the nine vertical columns
Each of the nine horizontal rows
Each of the nine 3 x 3 blocks
Each of the two shaded diagonals
Remember no number can occur more than once in any row, column, 3x3 block, or diagonal.
  
               
              - 
                
                  
                                 
                
Permitted use:
Single non-exclusive use of the puzzle in a single publication. Lovatts Media retains full copyright of all material. 
Files provided:
Blank puzzle grid in pdf and eps formats - Sudoku_X_Factor_Hard_xxxx_PUZ.pdf and Sudoku_X_Factor_Hard_xxxx_PUZ.eps 
Puzzle solution grid in pdf and eps formats - Sudoku_X_Factor_Hard_xxxx_SOL.pdf and Sudoku_X_Factor_Hard_xxxx_SOL.eps 
Delivery:
Direct Download Now link appears when your payment is processed. You will receive two emails, an Order Confirmation email containing invoice details and a separate email including the download links.