4 0 -- a [ label = ", 3"];
5 0 -- c [ label = "b, 4"];
6 0 -- e [ label = ", 3"];
7 0 -- h [ label = "e, 6"];
8 0 -- i [ label = "h, 4"];
9 0 -- k [ label = "g, 9"];
10 0 -- m [ label = "n, 6"];
11 0 -- n [ label = "kl, 6"];
12 a -- b [ label = ", 1"];
13 a -- c [ label = "b, 5"];
14 a -- e [ label = ", 2"];
15 a -- h [ label = "e, 7"];
16 a -- i [ label = "h, 7"];
17 a -- k [ label = "g, 12"];
18 a -- m [ label = "n, 7"];
19 a -- n [ label = "kl, 7"];
20 b -- d [ label = "c, 2"];
21 c -- e [ label = "b, 5"];
22 c -- h [ label = "be, 6"];
23 c -- i [ label = "bh, 6"];
24 c -- k [ label = "bg, 11"];
25 c -- l [ label = "ij, 4"];
26 c -- m [ label = "bn, 10"];
27 c -- n [ label = "bkl, 10"];
28 d -- g [ label = "f, 2"];
29 e -- f [ label = "d, 3"];
30 e -- h [ label = "e, 7"];
31 e -- i [ label = "h, 7"];
32 e -- k [ label = "g, 12"];
33 e -- m [ label = "n, 7"];
34 e -- n [ label = "kl, 7"];
35 h -- i [ label = "eh, 8"];
36 h -- k [ label = "eg, 13"];
37 h -- m [ label = "en, 12"];
38 h -- n [ label = "ekl, 12"];
39 i -- k [ label = "gh, 9"];
40 i -- m [ label = "hn, 8"];
41 i -- n [ label = "hkl, 8"];
42 j -- k [ label = ", 1"];
43 k -- m [ label = "gn, 13"];
44 k -- n [ label = "gkl, 13"];
45 m -- n [ label = "kln, 8"];
46 n -- o [ label = "m, 2"];