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