OJ Board

Hello, I don't know in what condition my code will get WA
Could everyone give me some test cases?
Thank you very much!!

The following are test data which I passed.

input:
0 11 5

output:
0 11 5 0


input:
3 2 4
3 1 7
5 2 6

output:
3 2 4 1 5 2 6 1 7 0


input:
1 11 5
2 6 7
3 13 9
12 7 ...