#include<bits/stdc++.h>
 using namespace std;
// A utility function to print a substring str[low..high]
void printSubStr( string  s, int low, int high )
{
		cout<<s;
}
 
// This function prints the longest palindrome substring
// of str[].
// It also returns the length of the longest palindrome
int longestPalSubstr( string s )
{
	string str=" ";
	int l,r;
	cin>>l>>r;
	int n=r-l+1;
	while(l<r){
		str+=s[l-1];
		l++;
	}
  //  int n = ; // get length of input string
 
    // table[i][j] will be false if substring str[i..j]
    // is not palindrome.
    // Else table[i][j] will be true
    bool table[n][n];
    memset(table, 0, sizeof(table));
 
    // All substrings of length 1 are palindromes
    int maxLength = 1;
    for (int i = 0; i < n; ++i)
        table[i][i] = true;
 
    // check for sub-string of length 2.
    int start = 0;
    for (int i = 0; i < n-1; ++i)
    {
        if (str[i] == str[i+1])
        {
            table[i][i+1] = true;
            start = i;
            maxLength = 2;
        }
    }
 
    // Check for lengths greater than 2. k is length
    // of substring
    for (int k = 3; k <= n; ++k)
    {
        // Fix the starting index
        for (int i = 0; i < n-k+1 ; ++i)
        {
            // Get the ending index of substring from
            // starting index i and length k
            int j = i + k - 1;
 
            // checking for sub-string from ith index to
            // jth index iff str[i+1] to str[j-1] is a
            // palindrome
            if (table[i+1][j-1] && str[i] == str[j])
            {
                table[i][j] = true;
 
                if (k > maxLength)
                {
                    start = i;
                    maxLength = k;
                }
            }
        }
    }
 
   // printf("Longest palindrome substring is: ");
    //printSubStr( str, start, start + maxLength - 1 );
 
    return maxLength; // return length of LPS
}
 
// Driver program to test above functions
int main()
{
	int t;
    string s;
	cin>>s>>t;
	while(t--){
	
	  cout<< longestPalSubstr( s ) <<endl;;
  }
    return 0;
}