Hi,
I am the guy who set that question :D
Look at the huge amount of theory available on Latin Squares. In case you still are not able to get the solution just post it again and I will reply.
-karthik
I am the guy who set that question :D
Look at the huge amount of theory available on Latin Squares. In case you still are not able to get the solution just post it again and I will reply.
-karthik