D22331311311331323132233131133131231211113313231111331323223321   >>    D2233131131133132313223313113313123121111331323111133132322332   <<    D22331311311331323132233131133131231211113313231111331323223323   >>      D22331311311331323132233131133131231211113313231111331323223322   >>