E        T      N
   N B      E    A  
        O N         
 R      E           
                   O
 E A T    M      N  
            M    T  
     M         B R  
          A R    M  

Code-Doku Joke

What kind of bone will a dog never eat?

Place each of the letters of BAR ME NOT exactly once in each row, column and 3×3 box. In addition to the letters, each row, column and 3×3 box will also contain one empty square. When you have completed the puzzle, the shaded squares will form the punch line of the joke read left to right, then top to bottom.

Difficulty: Tough

Here is a print-friendly version of this puzzle.

 

Please send responses to my email address is mathrec at this domain

Thanks,
Steve