C11112233213331323123231323131323132313232233132313331122112323222311   >>    C1111223321333132312323132313132313231323223313231333112211232322231   <<    C11112233213331323123231323131323132313232233132313331122112323222313   >>      C11112233213331323123231323131323132313232233132313331122112323222312   >>