4
4 3
15 8 20 25
0 1 2
15 3 4
10 1
4 3
22 22 22 22
0 1 2 3 4
0 1 2 3
0 1 2
4 3
22 22 22 22
44 1 2 3 4
0 1 2 3
0 1 2
4 4
22 22 22 22
44 1 2 3 4
0 1 2 3
0 1 2
22