a = "a"
c = "cccc"
d = "ddd"
b = "bb"

[doo]

[foo]

[baz]

[qux.doo]
    egg = "?"
    spam = "!"

[[deeper]]
    green = true

[[deeper]]
    [deeper.blue]
        red = 255

[[deepest]]
    ping = "pong"

[[deepest]]