D22331311311331323132233131133131231211113313231111331323223311   >>    D2233131131133132313223313113313123121111331323111133132322331   <<    D22331311311331323132233131133131231211113313231111331323223313   >>      D22331311311331323132233131133131231211113313231111331323223312   >>