2012/finals/linsane_phone_numbers.in

15
6 17 7 4
7 17 7 4
8 17 7 4
9 10 5 2
20 15 10 1
8 0 0 5
12 14 4 8
19 27 10 9
20 9 0 9
20 10 3 5
12 13 1 9
8 13 7 9
8 17 6 3
12 3 3 4
20 16 6 6