C11112331312111112111133133313331333133313331333133313331333132211312221   >>    C1111233131211111211113313331333133313331333133313331333133313221131222   <<    C11112331312111112111133133313331333133313331333133313331333132211312223   >>      C11112331312111112111133133313331333133313331333133313331333132211312222   >>