echo 'digraph {

"Hatterene" -> "Hattrem" [taillabel = "Evolves into"]
"Hatenna" -> "Hattrem" [taillabel = "Evolves from"]
"Hattrem" -> "Hatenna" [taillabel = "Evolves into"]
"Hattrem" -> "Hatterene" [taillabel = "Evolves from"]
}' | dot -Tsvg > output.svg