D2331233131133131323132322331323211331311331323323133313231322321   >>    D233123313113313132313232233132321133131133132332313331323132232   <<    D2331233131133131323132322331323211331311331323323133313231322323   >>      D2331233131133131323132322331323211331311331323323133313231322322   >>