49 91
1 2 -0.4140625
2 3 0.921875
3 4 -0.8125
4 5 -0.78125
5 6 -0.046875
1 7 0.0078125
6 7 0.9453125
1 8 0.6484375
2 9 -0.3828125
8 9 -0.40625
3 10 0.5859375
9 10 0.9609375
4 11 0.1328125
10 11 0.6953125
5 12 -0.8046875
11 12 -0.671875
6 13 0.7734375
12 13 0.390625
7 14 -0.9140625
8 14 0.671875
13 14 0.1953125
8 15 -0.203125
9 16 -0.8515625
15 16 -1.0
10 17 -0.4609375
16 17 0.890625
11 18 -0.78125
17 18 -0.359375
12 19 -0.2109375
18 19 0.5625
13 20 -0.9140625
19 20 -0.0625
14 21 0.9921875
15 21 -0.375
20 21 -0.921875
15 22 -0.5234375
16 23 -0.3671875
22 23 -0.9609375
17 24 -0.4296875
23 24 0.96875
18 25 -0.796875
24 25 -0.9609375
19 26 -0.609375
25 26 0.0546875
20 27 0.5859375
26 27 -1.0
21 28 0.578125
22 28 -0.703125
27 28 -0.90625
22 29 0.59375
23 30 0.4140625
29 30 -0.90625
24 31 0.0234375
30 31 -0.625
25 32 -0.2578125
31 32 0.6796875
26 33 -0.15625
32 33 -0.3046875
27 34 -0.171875
33 34 -0.65625
28 35 -0.15625
29 35 -0.359375
34 35 0.8828125
29 36 -0.09375
30 37 -0.6796875
36 37 -0.9375
31 38 -0.921875
37 38 -0.0859375
32 39 0.59375
38 39 0.1953125
33 40 0.015625
39 40 -0.9609375
34 41 -0.1484375
40 41 0.859375
35 42 0.1953125
36 42 0.328125
41 42 0.1796875
36 43 -0.2265625
37 44 0.09375
43 44 0.484375
38 45 0.3203125
44 45 -0.4921875
39 46 0.6015625
45 46 -0.2890625
40 47 0.4609375
46 47 -0.7421875
41 48 0.1796875
47 48 -0.15625
42 49 0.2734375
43 49 -0.9140625
48 49 0.046875