C111123313121111121111331333133313331333132232233131211111312231   >>    C11112331312111112111133133313331333133313223223313121111131223   <<    C111123313121111121111331333133313331333132232233131211111312233   >>      C111123313121111121111331333133313331333132232233131211111312232   >>