Use the ARROW KEYS to move the squares around.

The aim is to have number 1 in the top left, with number 2 next (on the right of 1), followed by 3, 4 etc.

Make sure the NumLock is off and use the arrow keys to the right of the number pad.

8

6

13

11

10

12

1

9

4

2

14

5

7

3

15