1digraph G {
2 a [shape=box]
3 b [shape=polygon]
4 c [shape=ellipse]
5 d [shape=circle]
6 e [shape=point]
7 f [shape=egg]
8 g [shape=triangle]
9 h [shape=plaintext]
10 i [shape=diamond]
11 j [shape=trapezium]
12 k [shape=parallelogram]
13 l [shape=house]
14 m [shape=pentagon]
15 n [shape=hexagon]
16 o [shape=septagon]
17 p [shape=octagon]
18 q [shape=doublecircle]
19 r [shape=doubleoctagon]
20 s [shape=tripleoctagon]
21 t [shape=invtriangle]
22 u [shape=invtrapezium]
23 v [shape=invhouse]
24 w [shape=Mdiamond]
25 x [shape=Msquare]
26 y [shape=Mcircle]
27 z [shape=rect]
28 1 [shape=rectangle]
29 2 [shape=none]
30 3 [shape=note]
31 4 [shape=tab]
32 5 [shape=box3d]
33 6 [shape=component]
34 a  -> b  -> c  -> d  -> e  -> f  -> g
35 h  -> i  -> j  -> k  -> l  -> m  -> n
36 o  -> p  -> q  -> r  -> s  -> t  -> u
37 v  -> w  -> x  -> y  -> z  -> 1  -> 2
38 3  -> 4  -> 5  -> 6
39}
40