D121212121213132333131232313232233131323223313231322331311331323223321   >>    D12121212121313233313123231323223313132322331323132233131133132322332   <<    D121212121213132333131232313232233131323223313231322331311331323223323   >>      D121212121213132333131232313232233131323223313231322331311331323223322   >>