C111123313121111121111331333133313331333131233133313223313223123231   >>    C11112331312111112111133133313331333133313123313331322331322312323   <<    C111123313121111121111331333133313331333131233133313223313223123233   >>      C111123313121111121111331333133313331333131233133313223313223123232   >>