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

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: Fiendish

Here is a print-friendly version of this puzzle.


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