C11112331312111112111133133313331333133313331333133313331333133313221111311   >>    C1111233131211111211113313331333133313331333133313331333133313331322111131   <<    C11112331312111112111133133313331333133313331333133313331333133313221111313   >>      C11112331312111112111133133313331333133313331333133313331333133313221111312   >>