Kakuro number combinations - 11

2 Blocks

2 & 9
3 & 8
4 & 7
5 & 6

3 Blocks

1 & 2 & 8
1 & 3 & 7
1 & 4 & 6
2 & 3 & 6
2 & 4 & 5

4 Blocks

1 & 2 & 3 & 5