C111123313121111121111331333133313331333221311312111133133313222322231   >>    C11112331312111112111133133313331333133322131131211113313331322232223   <<    C111123313121111121111331333133313331333221311312111133133313222322233   >>      C111123313121111121111331333133313331333221311312111133133313222322232   >>