D112111123313223313112113313231133132333133313233313232213233231   >>    D11211112331322331311211331323113313233313331323331323221323323   <<    D112111123313223313112113313231133132333133313233313232213233233   >>      D112111123313223313112113313231133132333133313233313232213233232   >>