C111112111133131121133133313331333133313331323133313331333133313331333122232221   >>    C11111211113313112113313331333133313331333132313331333133313331333133312223222   <<    C111112111133131121133133313331333133313331323133313331333133313331333122232223   >>      C111112111133131121133133313331333133313331323133313331333133313331333122232222   >>