D121212121213132333131232313232233131323223313231322331333132313132323231   >>    D12121212121313233313123231323223313132322331323132233133313231313232323   <<    D121212121213132333131232313232233131323223313231322331333132313132323233   >>      D121212121213132333131232313232233131323223313231322331333132313132323232   >>