digraph {
    "start" -> "N"
        "N" -> "N N"
        "N" -> "N E"
        "N" -> "N NE"
    "start" -> "E"
        "E" -> "E N"
        "E" -> "E E"
        "E" -> "E NE"
    "start" -> "NE"
        "NE" -> "NE N"
        "NE" -> "NE E"
        "NE" -> "NE NE"
}