C3213322333133313113313221211113313331333131131233232213131213311   >>    C321332233313331311331322121111331333133313113123323221313121331   <<    C3213322333133313113313221211113313331333131131233232213131213313   >>      C3213322333133313113313221211113313331333131131233232213131213312   >>