Here is a 8X8 square containing numbers 1 to 5 repeated four times. Can you divide the square into four similar shaped pieces such that each piece contains only one set of five numbers?

 1        1 

 4  3    4    

     5    2 

     5    2 

 3    5  5    

    3     

 4   2  2     

 1      3  4  1 

(In reply to
A hint by Salil)
Salil, I think this hint was a bit early, however, I had begun to look precisely there, colour coding those 4 centre squares.
Then one is forced to take into account the remaining 5, the position of the 2's and rationalising the 3 within the central area.
Edited on August 24, 2006, 10:26 pm

Posted by brianjn
on 20060824 22:26:13 