25 45
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2 3 -0.265625
3 4 0.0703125
1 5 -0.0390625
4 5 -0.0234375
1 6 -0.0859375
2 7 -0.578125
6 7 -0.6015625
3 8 -0.78125
7 8 -0.6640625
4 9 -0.6640625
8 9 -0.71875
5 10 0.8359375
6 10 -0.796875
9 10 0.25
6 11 0.859375
7 12 0.625
11 12 -0.5234375
8 13 0.8359375
12 13 -0.046875
9 14 0.6328125
13 14 0.984375
10 15 0.4921875
11 15 0.4921875
14 15 -0.2109375
11 16 0.203125
12 17 0.015625
16 17 0.125
13 18 0.59375
17 18 -0.703125
14 19 0.609375
18 19 0.6796875
15 20 -0.453125
16 20 0.6328125
19 20 0.8984375
16 21 0.2109375
17 22 -0.875
21 22 -0.34375
18 23 -0.265625
22 23 -0.546875
19 24 -0.8515625
23 24 -0.796875
20 25 0.8671875
21 25 -0.5234375
24 25 -0.390625