C121212231313232233132332313231333132333131313231311331323221311   >>    C12121223131323223313233231323133313233313131323131133132322131   <<    C121212231313232233132332313231333132333131313231311331323221313   >>      C121212231313232233132332313231333132333131313231311331323221312   >>