C111112111133131121133133313331333133313331323133313331333131211332233121   >>    C11111211113313112113313331333133313331333132313331333133313121133223312   <<    C111112111133131121133133313331333133313331323133313331333131211332233123   >>      C111112111133131121133133313331333133313331323133313331333131211332233122   >>