C11112331312111112111133133313331333132323133313331333133321121331   >>    C1111233131211111211113313331333133313232313331333133313332112133   <<    C11112331312111112111133133313331333132323133313331333133321121333   >>      C11112331312111112111133133313331333132323133313331333133321121332   >>