C111112111133131121133133313331333132213331333131133133313233331323221   >>    C11111211113313112113313331333133313221333133313113313331323333132322   <<    C111112111133131121133133313331333132213331333131133133313233331323223   >>      C111112111133131121133133313331333132213331333131133133313233331323222   >>