C111123313121111121111331333133313331333132232233131211111333233231   >>    C11112331312111112111133133313331333133313223223313121111133323323   <<    C111123313121111121111331333133313331333132232233131211111333233233   >>      C111123313121111121111331333133313331333132232233131211111333233232   >>