C111112111133131121133133313331333133313331323133313331333133313331311112112131   >>    C11111211113313112113313331333133313331333132313331333133313331333131111211213   <<    C111112111133131121133133313331333133313331323133313331333133313331311112112133   >>      C111112111133131121133133313331333133313331323133313331333133313331311112112132   >>