D22331323211231213231312323132313231323132132313232233132322123221   >>    D2233132321123121323131232313231323132313213231323223313232212322   <<    D22331323211231213231312323132313231323132132313232233132322123223   >>      D22331323211231213231312323132313231323132132313232233132322123222   >>