C11111333133313232233133313331333133313331312111133133112111113233231   >>    C1111133313331323223313331333133313331333131211113313311211111323323   <<    C11111333133313232233133313331333133313331312111133133112111113233233   >>      C11111333133313232233133313331333133313331312111133133112111113233232   >>