0 1
1 5
2 799
3 89999999999999
4 4999999999999999999999999999999999999999999999999999999999999999999999
5 299999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999