D2233132321123121323131232313231323132313213231323223313232212121   >>    D223313232112312132313123231323132313231321323132322331323221212   <<    D2233132321123121323131232313231323132313213231323223313232212123   >>      D2233132321123121323131232313231323132313213231323223313232212122   >>