You need to make it so that all the numbers from 1 to 6 appear once in every row and column. You can only do that by "pushing" the rows down and the columns left. Each time you "push" a row or a column all the numbers in it move 1 block to the direction you have pushed it.

Can you complete the grid?

(In reply to computer solution by Charlie)

well done Charlie! you've solved it :)

Posted by Assaf on 2007-02-28 08:11:26