C11112233213331323123231323131323132313232233132313112113313232323321   >>    C1111223321333132312323132313132313231323223313231311211331323232332   <<    C11112233213331323123231323131323132313232233132313112113313232323323   >>      C11112233213331323123231323131323132313232233132313112113313232323322   >>