5 16
1 10 100 1000 10000
0 0 1
0 1 2
0 2 3
0 3 4
0 0 4
3 3
1 1 2
3 1
1 3 4
3 0
2 1 100000
3 1
0 1 4
3 2
0 3 4
3 0