C111112111133131121133133313331333133313221133121111331323212231   >>    C11111211113313112113313331333133313331322113312111133132321223   <<    C111112111133131121133133313331333133313221133121111331323212233   >>      C111112111133131121133133313331333133313221133121111331323212232   >>