Catena di Isole


5 5
4 0
4 0
3 0
6 0
10 3
8 4
8 2
6 0
2 1
6 0
6 2
3 0
6 1
3 1
10 0
9 1
4 0
4 0
5 0
11 0
5 0
6 0
2 0
7 0
9 3
1 0
1 1
2 0
8 0
11 0
5 0