C11112233213331323123231323131323132313232233132313112331313231323223331   >>    C1111223321333132312323132313132313231323223313231311233131323132322333   <<    C11112233213331323123231323131323132313232233132313112331313231323223333   >>      C11112233213331323123231323131323132313232233132313112331313231323223332   >>