D23233313233313132333132311331311221123121323132322331323133313231323222121   >>    D2323331323331313233313231133131122112312132313232233132313331323132322212   <<    D23233313233313132333132311331311221123121323132322331323133313231323222123   >>      D23233313233313132333132311331311221123121323132322331323133313231323222122   >>