C111123313121111121111331333133313331333133313331333133313331322123313223331   >>    C11112331312111112111133133313331333133313331333133313331333132212331322333   <<    C111123313121111121111331333133313331333133313331333133313331322123313223333   >>      C111123313121111121111331333133313331333133313331333133313331322123313223332   >>