input:

4
3
42 42 42
4
1 2 2 1
5
1 100 1 100 1
6
1 2 3 4 5 6

output:

0
0
0
0
0
0
0
99
99
99
99
99
2
2
2
2
2
2

result:

wrong answer 3rd numbers differ - expected: '99', found: '0'