Problem B
Champernowne Substring
The Champernowne string is an infinite string formed by concatenating the base-10 representations of the positive integers in order.
It begins 1234567891011121314…
It can be proven that any finite string of digits will appear as a substring in the Champernowne string at least once.
Given a string of digits and question marks, compute the smallest possible index that this string could appear as a substring in the Champernowne string by replacing each question mark with a single digit from $0$ to $9$. Each question mark can map to a different digit. Since this index can be large, print it modulo $998\, 244\, 353$.
Input
The first line of input contains a single integer $t$ $(1 \leq t \leq 10)$, which is the number of test cases.
Each of the next $t$ lines contains a string $s$ ($1 \leq |s| \leq 25$) consisting of digits $0$ to $9$ or question marks.
Output
Output $t$ lines. For each test case in order, output a single line with a single integer, which is the smallest possible index where the string could appear as a substring in the Champernowne string, modulo $998\, 244\, 353$.
Sample Input 1 | Sample Output 1 |
---|---|
9 0 ???1 121 1?1?1 ??5?54?50?5?505?65?5 000000000000 ?2222222 ?3????????9??8???????1??0 9?9??0????????????2 |
11 7 14 10 314159 796889014 7777 8058869 38886 |