D121212121213132333131232313232233131323223313231322331333131313231321   >>    D12121212121313233313123231323223313132322331323132233133313131323132   <<    D121212121213132333131232313232233131323223313231322331333131313231323   >>      D121212121213132333131232313232233131323223313231322331333131313231322   >>