C11112331312111112111133133313331333132212111133133313331333132322333123231   >>    C1111233131211111211113313331333133313221211113313331333133313232233312323   <<    C11112331312111112111133133313331333132212111133133313331333132322333123233   >>      C11112331312111112111133133313331333132212111133133313331333132322333123232   >>