23740

To work this out,you need to get the second number to change.
example: 4-2, 4-1, 4-0.
Then you change the first number to the number behind it.
Example: 4-2 4-1....
3-2 3-1....
When we did this we did not miss anything out but we needed to remember to go all the way to 0-0.
These are our answers;

answers for 4-2
4-2, 4-1, 4-0,
3-2, 3-1, 3-0,
2-2, 2-1, 2-0,
1-2, 1-1, 1-0,
0-2, 0-1, 0-0.

answers for 3-3
3-3, 3-2, 3-1, 3-0,
2-3, 2-2, 2-1, 2-0,
1-3, 1-2, 1-1, 1-0,
0-3, 0-2, 0-1, 0-0.