C111112111133131121133133313331333133313331323133313331333133312111133132111   >>    C11111211113313112113313331333133313331333132313331333133313331211113313211   <<    C111112111133131121133133313331333133313331323133313331333133312111133132113   >>      C111112111133131121133133313331333133313331323133313331333133312111133132112   >>