foo@bar
foo@bar
foo@bar
foo@bar
foo@bar
{foo}@bar
foo@{}
foo@{}
foo@{}
foo@{} FOO@{}
foo@{}
{}@bar
{}@bar
{}@bar
{}@BAR {}@bar
{}@bar
{}@{}
{}@{}
{}@{}
{}@{}
{}@{}
{}@{}
{}@{} {}@{}
{}@{} {}@{}
{}@bar {}@BAR
{}@bar {}@BAR
foo@bar foo@BAR