D121212121213132333131232313232233131323223313232313232313231323111   >>    D12121212121313233313123231323223313132322331323231323231323132311   <<    D121212121213132333131232313232233131323223313232313232313231323113   >>      D121212121213132333131232313232233131323223313232313232313231323112   >>