C11112233213331323123231323131323132313232233132313331122112311331   >>    C1111223321333132312323132313132313231323223313231333112211231133   <<    C11112233213331323123231323131323132313232233132313331122112311333   >>      C11112233213331323123231323131323132313232233132313331122112311332   >>