D121212121213132333131232313232233131323223313231322331323132332312321   >>    D12121212121313233313123231323223313132322331323132233132313233231232   <<    D121212121213132333131232313232233131323223313231322331323132332312323   >>      D121212121213132333131232313232233131323223313231322331323132332312322   >>