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

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: Moderate

Here is a print-friendly version of this puzzle.


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