C11112331312111112111133133313331333132212111133133313331333131323131231   >>    C1111233131211111211113313331333133313221211113313331333133313132313123   <<    C11112331312111112111133133313331333132212111133133313331333131323131233   >>      C11112331312111112111133133313331333132212111133133313331333131323131232   >>