C121212231313232233132332313231333132333131313231311331323331323221211   >>    C12121223131323223313233231323133313233313131323131133132333132322121   <<    C121212231313232233132332313231333132333131313231311331323331323221213   >>      C121212231313232233132332313231333132333131313231311331323331323221212   >>