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 20 10
0
11 20 15
0
16 20 18
0
19 20 19
0
20 20 20
0
0 
1 3 42 0
0
0 20 10
1
11 20 15
1
16 20 18
1
19 20 19
1
20 20 20
1
1 
1 4 1 1
0 20 10
1
11 20 15
1
16 20 18
1
19 20 19
1
20 20 20
1
1 
1 4 2 1
1
0 20 10
99
11 20 15
99
16 20 18
99
19 20 19
99
20 20 20
99
99 
1 5 1 99
0 20 10
99
11 20 15
99
16 20...

result:

wrong answer 2nd numbers differ - expected: '0', found: '20'