C111123313121111121111331333133313331333133313331333133313331312112221   >>    C11112331312111112111133133313331333133313331333133313331333131211222   <<    C111123313121111121111331333133313331333133313331333133313331312112223   >>      C111123313121111121111331333133313331333133313331333133313331312112222   >>