C              
   T    I K    C    
          C T  A   U
                 U  
     U    A        I
 M C           R    
   R      M        A
 K M    T           
 I          A      R

Code-Doku Joke

What has one horn and gives milk?

Place each of the letters of TRIAL MUCK exactly once in each row, column and 3×3 box. 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: Fiendish

Here is a print-friendly version of this puzzle.

 

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

Thanks,
Steve