1 4
70 20 10 1 1 70 20 10
100 0 20 1 3 100 0 20
100 0 10 1 3 100 0 10
100 0 10 1 3 100 0 10
100 50 10 1 3 100 50 10
-1
2 3
100 0 10 1 2 100 0 10
50 50 10 1 2 50 50 10
70 0 10 1 2 70 0 10
-1