题目描述
Artem wrote the digit $d$ on the board exactly $n!$ times in a row. So, he got the number $\dots$ (exactly $n!$ digits).
Now he is curious about which odd digits from $1$ to $9$ divide the number written on the board.
Input
The first line contains a single integer $t$ ($1 \le t \le 100$) — the number of test cases. The next $t$ test cases follow.
Each test case consists of a single line containing two integers $n$ and $d$ ($2 \le n \le 10^9$, $1 \le d \le 9$).
Output
For each test case, output the odd digits in ascending order that divide the number written on the board.
输入格式
见题面 Input 部分
输出格式
见题面 Output 部分
样例输入
样例输出
提示
The factorial of a positive integer $n$ ($n!$) is the product of all integers from $1$ to $n$. For example, the factorial of $5$ is $1 \cdot 2 \cdot 3 \cdot 4 \cdot 5 = 120$.