digraph {
concentrate=true;overlap=scale;"rat=KjW0rm" [label="rat\nKjW0rm",shape=box,style=filled,color=deepskyblue];"rat=KjW0rm" -> "tool=KjW0rm" [label="similar",dir="both"];"tool=KjW0rm" [label="tool\nKjW0rm",shape=box,style=filled,color=deepskyblue];}