C121212123112323223313132322331323133313232213331323123231323331   >>    C12121212311232322331313232233132313331323221333132312323132333   <<    C121212123112323223313132322331323133313232213331323123231323333   >>      C121212123112323223313132322331323133313232213331323123231323332   >>