C11111333133313232233133313331333133112111112113313331312122331   >>    C1111133313331323223313331333133313311211111211331333131212233   <<    C11111333133313232233133313331333133112111112113313331312122333   >>      C11111333133313232233133313331333133112111112113313331312122332   >>