C111112111133131121133133313331333133313331322331311331333133313231333131221   >>    C11111211113313112113313331333133313331333132233131133133313331323133313122   <<    C111112111133131121133133313331333133313331322331311331333133313231333131223   >>      C111112111133131121133133313331333133313331322331311331333133313231333131222   >>