Problem
First name
George
School
Bryn Offa C of E Primary
Country
Age
10
you must start by doing all the 0 suchas 0-0 0-1 0-3 1-0 then all the 1 1-1 1-2 and 3-1 and so on after all this you should end up with this
0-0
0-1
0-2
0-3
1-0
2-0
3-0
1-1
1-2
1-3
2-1
3-1
2-2
2-3
3-2
3-3