25 45
1 2 0.5390625
2 3 -0.3828125
3 4 1.0
1 5 -0.96875
4 5 -0.0625
1 6 -0.375
2 7 -0.5390625
6 7 -0.3515625
3 8 0.203125
7 8 0.0078125
4 9 -0.9296875
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6 10 -0.484375
9 10 0.4375
6 11 -0.65625
7 12 -0.1875
11 12 -0.9609375
8 13 0.8125
12 13 0.0546875
9 14 0.7265625
13 14 0.15625
10 15 -0.453125
11 15 -0.5078125
14 15 -0.4765625
11 16 -0.1171875
12 17 0.1875
16 17 0.3515625
13 18 0.5703125
17 18 -0.5
14 19 0.703125
18 19 0.546875
15 20 0.8671875
16 20 0.2734375
19 20 0.4453125
16 21 0.3359375
17 22 -0.7109375
21 22 -0.1953125
18 23 -0.0703125
22 23 -0.4375
19 24 -0.3125
23 24 -0.421875
20 25 -0.8046875
21 25 0.4453125
24 25 0.8828125