C121212231313232233132332313231333132333131313231311331323221321   >>    C12121223131323223313233231323133313233313131323131133132322132   <<    C121212231313232233132332313231333132333131313231311331323221323   >>      C121212231313232233132332313231333132333131313231311331323221322   >>