Here some data that helps me to find a bug.

0)
4 4
1 1
3 2
-
15

1)
4 5
1 1
3 2
-
19

2)
5 4
1 1
3 2
-
19

3)
5 5
1 1
3 3
-
24

4)
3 1
1 1
3 1
-
2

5)
1 3
1 1
1 3
-
2

Give some comments plz if it helped you. =)
Good luck!

Good Tests, Thanks!!!

All your tests are working. But I'm always getting WA4... What may it be? :'(

Thanks :)