C11112233213331323123231323131323132313232233132313331121131221   >>    C1111223321333132312323132313132313231323223313231333112113122   <<    C11112233213331323123231323131323132313232233132313331121131223   >>      C11112233213331323123231323131323132313232233132313331121131222   >>