C11111333133313232233133313331333131133132233133313113313232233133323213123231   >>    C1111133313331323223313331333133313113313223313331311331323223313332321312323   <<    C11111333133313232233133313331333131133132233133313113313232233133323213123233   >>      C11111333133313232233133313331333131133132233133313113313232233133323213123232   >>