echo 'digraph {

"Grace" -> "Heisenberg" [taillabel = "Superior of"]
"Heisenberg" -> "Heisenberg" [taillabel = "Former Ally of"]
"Heisenberg" -> "Grace" [taillabel = "Subordinate of"]
"Grace" -> "Heisenberg" [taillabel = "Superior of"]
"Heisenberg" -> "Heisenberg" [taillabel = "Former Ally of"]
}' | dot -Tsvg > output.svg