D121212121213132333131232313232233131323223313231322331323131331123232311   >>    D12121212121313233313123231323223313132322331323132233132313133112323231   <<    D121212121213132333131232313232233131323223313231322331323131331123232313   >>      D121212121213132333131232313232233131323223313231322331323131331123232312   >>