+----------\ | b > +----------\ +----------/ | a > | +----------/ +-----------+ | | O-----+----->+###########+ +-----------+ +"""""""""""+ | Foo | +----------\ +-----------+ | c > | Bar | +----------/ +-----------+ | | Baz | +-----------+ +-----------+ | O-----+----->| Qux | +-----------+ +-----------+