C11112233213331323123231323131323132313232233132313112331322111   >>    C1111223321333132312323132313132313231323223313231311233132211   <<    C11112233213331323123231323131323132313232233132313112331322113   >>      C11112233213331323123231323131323132313232233132313112331322112   >>