C11111333133313232233133313331333133112111112113313331312213223331   >>    C1111133313331323223313331333133313311211111211331333131221322333   <<    C11111333133313232233133313331333133112111112113313331312213223333   >>      C11111333133313232233133313331333133112111112113313331312213223332   >>