C111123313121111121111331333133313331333221311312111133133313222322122331   >>    C11112331312111112111133133313331333133322131131211113313331322232212233   <<    C111123313121111121111331333133313331333221311312111133133313222322122333   >>      C111123313121111121111331333133313331333221311312111133133313222322122332   >>