C111112111133131121133133313331333133313221133121111331322123331   >>    C11111211113313112113313331333133313331322113312111133132212333   <<    C111112111133131121133133313331333133313221133121111331322123333   >>      C111112111133131121133133313331333133313221133121111331322123332   >>