C111112111133131121133133313331311331333131122112111133132212133311   >>    C11111211113313112113313331333131133133313112211211113313221213331   <<    C111112111133131121133133313331311331333131122112111133132212133313   >>      C111112111133131121133133313331311331333131122112111133132212133312   >>