5
2 4
1 1 0
0 1 1
1 1 1
4 8
1 1 0
0 1 1
1 1 1
5 20
1 1 1
1 1 2
3 5 7
10 30
5 5 5
0 1 1
1 1 1
800 4000
13 17 23
2 1 1
29 31 37