5
10 40 40 70
20 50 30 60
30 60 20 50
45 70 10 40
45 70 10 40
25 55
35 55
35 45
55 25
65 25
0

This is an extremely difficult test case that ((un)fortunately?)
was not included in the judges' input. Correct output should be:

Heap 1
(C,3)

As far as I have seen, only the solutions of Roma 1 and Genova 1
are able to handle this case. Congratulations to these two teams!

Mark Dettinger
Regional Contest Director