C11112331312111112111133133313331333132323133313331333133313113313332223321   >>    C1111233131211111211113313331333133313232313331333133313331311331333222332   <<    C11112331312111112111133133313331333132323133313331333133313113313332223323   >>      C11112331312111112111133133313331333132323133313331333133313113313332223322   >>