C111123313121111121111331333133313331333131233133313331312111133133313222233321   >>    C11112331312111112111133133313331333133313123313331333131211113313331322223332   <<    C111123313121111121111331333133313331333131233133313331312111133133313222233323   >>      C111123313121111121111331333133313331333131233133313331312111133133313222233322   >>