C111112111133131121133133313331333133313221133121111331322311311   >>    C11111211113313112113313331333133313331322113312111133132231131   <<    C111112111133131121133133313331333133313221133121111331322311313   >>      C111112111133131121133133313331333133313221133121111331322311312   >>