C121212231313232233132332313231333132333131313231311331323133313232112331   >>    C12121223131323223313233231323133313233313131323131133132313331323211233   <<    C121212231313232233132332313231333132333131313231311331323133313232112333   >>      C121212231313232233132332313231333132333131313231311331323133313232112332   >>