C11111211113313112113313331333133313231311331333131321323132233131   >>    C1111121111331311211331333133313331323131133133313132132313223313   <<    C11111211113313112113313331333133313231311331333131321323132233133   >>      C11111211113313112113313331333133313231311331333131321323132233132   >>