C121212123112323223313132322331323133313232213331323223313231321111   >>    C12121212311232322331313232233132313331323221333132322331323132111   <<    C121212123112323223313132322331323133313232213331323223313231321113   >>      C121212123112323223313132322331323133313232213331323223313231321112   >>