C121212123112323223313132322331323331323132322231323131323132323221   >>    C12121212311232322331313232233132333132313232223132313132313232322   <<    C121212123112323223313132322331323331323132322231323131323132323223   >>      C121212123112323223313132322331323331323132322231323131323132323222   >>