C111112111133131121133133313331333133313221133121111331322123321   >>    C11111211113313112113313331333133313331322113312111133132212332   <<    C111112111133131121133133313331333133313221133121111331322123323   >>      C111112111133131121133133313331333133313221133121111331322123322   >>