D121212121213132333131232313232233131323223313231322331313132311331   >>    D12121212121313233313123231323223313132322331323132233131313231133   <<    D121212121213132333131232313232233131323223313231322331313132311333   >>      D121212121213132333131232313232233131323223313231322331313132311332   >>