25 45
1 2 -0.921875
2 3 0.59375
3 4 -1.0
1 5 -0.078125
4 5 -0.4375
1 6 0.3359375
2 7 0.15625
6 7 -0.2890625
3 8 0.9453125
7 8 0.5390625
4 9 0.546875
8 9 0.84375
5 10 -0.4921875
6 10 -0.609375
9 10 -0.515625
6 11 -0.390625
7 12 -0.3671875
11 12 -0.53125
8 13 -0.8984375
12 13 0.578125
9 14 0.5234375
13 14 -0.046875
10 15 0.0703125
11 15 -0.0859375
14 15 0.1171875
11 16 -0.1953125
12 17 -0.7734375
16 17 0.5546875
13 18 -0.140625
17 18 0.671875
14 19 -0.046875
18 19 0.9765625
15 20 0.671875
16 20 -0.9609375
19 20 0.109375
16 21 0.875
17 22 -0.4921875
21 22 -0.0703125
18 23 -0.8359375
22 23 -0.1484375
19 24 -0.0859375
23 24 0.5078125
20 25 -0.9140625
21 25 -0.4609375
24 25 0.734375