digraph G {
rankdir=LR;
node [shape=box];
size = "7.5,10.0";
ratio = "fill";
center =1;
/* Node Definitions */
dc1 [shape=plaintext,label="DC 1"];
dc10 [shape=plaintext,label="DC 10"];
dc100 [shape=plaintext,label="DC 100"];
{ rank = same; "dc1"; "dc10"; "dc100"; }
/* Link Definitions */
/* Marking Unused Dialing Plans */
no_dc [shape=plaintext,label="NOTHING"];
{ rank = min; "no_dc"; }
}