L             I
 T      S      A    
               T H S
 H      L C      E  
   T    I   R       
 L        E    S    
     C    I         
          L        C
   H        A       

Code Doku Joke

How do you make a hot dog stand?

Place each of the letters of CLEAR THIS 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