C111112111133131121133133313331333133313331323133313331333131133131122112221   >>    C11111211113313112113313331333133313331333132313331333133313113313112211222   <<    C111112111133131121133133313331333133313331323133313331333131133131122112223   >>      C111112111133131121133133313331333133313331323133313331333131133131122112222   >>