M          L
   H             O W
   W S    L        P
     E  W R    L H  
     P              
                 R O
   O      S         
        L M      S  
     M      W      H

Code-Doku Joke

What is the best thing to do if you find a gorilla in your bed?

Place each of the letters of WELSH ROMP 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: Extreme

Here is a print-friendly version of this puzzle.

 

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

Thanks,
Steve