C111112111133131121133133313331333133313331323133313331333133313331333123221311   >>    C11111211113313112113313331333133313331333132313331333133313331333133312322131   <<    C111112111133131121133133313331333133313331323133313331333133313331333123221313   >>      C111112111133131121133133313331333133313331323133313331333133313331333123221312   >>