1 10 3.5
1 20 8.0
1 30 2.0
10 40 4.0
20 40 1.5
30 50 6.0
40 60 2.2
50 60 3.0
50 70 1.0
60 80 5.5
70 80 4.0
70 90 2.5
80 100 3.0
90 100 7.0
40 100 20.0
30 70 9.0
10 50 7.5
20 70 11.0
60 90 6.5