input:

500
481199252 336470888 8 58
4 7
7 6
4 7
2 6
2 6
2 7
8 3
8 7
8 1
2 6
2 6
1 2
1 5
3 1
6 4
2 4
4 7
2 6
2 3
7 1
4 4
5 1
2 7
6 7
8 1
8 7
5 6
4 2
4 2
8 5
5 4
6 8
5 6
3 8
1 7
1 6
7 1
5 6
6 3
1 1
2 7
3 3
1 5
5 5
8 7
3 4
6 3
8 8
7 4
1 6
2 1
8 7
4 5
2 7
3 5
2 6
4 5
4 3
2 6 2 2
2 1
1 1
500330171 987581927 10 ...

output:

438784326
11
488477110
816250039
550524167
1
-131389870
-362768728
1
269113412
119867619
1
0
931352196
376698469
20747354
839123932
73519527
891409026
-30926322
0
487514263
932297935
8376584
16
-411544071
933415828
179306658
1
-793535463
-686751370
-581399326
0
958236699
1
798406713
782168256
1
1
-1...

result:

wrong answer 1st lines differ - expected: '724920553', found: '438784326'