C111112111133131121133133313331311331333133313231333132322112331   >>    C11111211113313112113313331333131133133313331323133313232211233   <<    C111112111133131121133133313331311331333133313231333132322112333   >>      C111112111133131121133133313331311331333133313231333132322112332   >>