C121212231313232233132332313231333132333131313231311331323133313233313223231   >>    C12121223131323223313233231323133313233313131323131133132313331323331322323   <<    C121212231313232233132332313231333132333131313231311331323133313233313223233   >>      C121212231313232233132332313231333132333131313231311331323133313233313223232   >>