C121212231313232233132332313231333132333131313231311331323331323132323223311   >>    C12121223131323223313233231323133313233313131323131133132333132313232322331   <<    C121212231313232233132332313231333132333131313231311331323331323132323223313   >>      C121212231313232233132332313231333132333131313231311331323331323132323223312   >>