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:

974805618
7
240226374
672253648
447255215
1
297745521
127027901
1
633472101
320671145
1
14868
617662805
645112865
599405298
757169635
796593616
594470808
214107307
0
487514263
285959019
517419963
16
461057512
269888795
782935199
1
892459835
178620133
546181298
6678
75718599
1
127667836
799546058
1
1...

result:

wrong answer 1st lines differ - expected: '724920553', found: '974805618'