This week's puzzle is quite simple to describe, but does take a bit of working out. Will you be one of the few who can solve it?
Below are three rows and columns each of three numbers, plus two diagonals also of three numbers. The challenge is to rearrange the nine numbers so that no row, column or diagonal adds up to more than 30.
There are a number of ways that they can be rearranged, but can you find the fewest number of numbers that need to be moved in order to complete the task?
| 13 | 6 | 14 |
| 11 | 10 | 3 |
| 9 | 17 | 7 |
The minimum number of number movements to solve this puzzle is three:
- Move 6 to where 9 is now
- Then move 9 to where 3 is now
- And put 3 where 6 was
| 13 | 3 | 14 |
| 11 | 10 | 9 |
| 6 | 17 | 7 |