digraph {
concentrate=true;overlap=scale;"tool=EVILNUM" [label="tool\nEVILNUM",shape=box,style=filled,color=deepskyblue];"tool=EVILNUM" -> "rat=Cardinal" [label="similar",dir="both"];"tool=EVILNUM" -> "tool=Cardinal RAT" [label="similar",dir="both"];"rat=Cardinal" [label="rat\nCardinal",shape=box,style=filled,color=deepskyblue];"tool=Cardinal RAT" [label="tool\nCardinal RAT",shape=box,style=filled,color=deepskyblue];}