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Copy pathPalindrome Index
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Palindrome Index
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//package corejava;
import java.util.*;
public class Solution {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
int n=input.nextInt();
for (int i=0;i<n;i++) {
String str=input.next();
int answer=-1;
for (int j=0;j<str.length()/2;j++) {
if (str.charAt(j)!=str.charAt(str.length()-1-j)) {
answer=100;
String str1,str2;
if (j==0) {
str1=str.substring(j+1);
//str2=str.substring(0,str.length()-1);
}
else{
str1=str.substring(0,j)+str.substring(j+1);
//str2=str.substring(0,str.length()-i-1)+str.substring(str.length()-i);
}
int count=0;
for (int k=0;k<str1.length()/2;k++) {
if (str1.charAt(k)!=str1.charAt(str1.length()-k-1)) {
count=1;
break;
}
}
if (count==1) {
System.out.println(str.length()-j-1);
break;
}
else {
System.out.println(j);
break;
}
}
}
if (answer==-1) {
System.out.println(-1);
}
}
}
}