/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

import java.util.Scanner;
import java.io.*;

public class S1 {
  public static void main(String []args) throws IOException {
    int numT=0;
    Scanner kb=new Scanner(new File("D:/q2.txt"));
    numT = kb.nextInt();
    int a[] = new int[numT];
    int b[]=new int[numT];
    for (int i = 0; i < numT; i++) {
      a[i] = kb.nextInt();
      b[i]=kb.nextInt();
    }
    for (int i = 0; i < numT; i++) {
      
      System.out.println("Case #"+(i+1)+":"+" "+cal(a[i],b[i]));
    }
    
  }
  
  public static int cal(int A,int B){
    int score=0;
    for(int n=A;n<=B;n++){
      String num=n+"";
      for(int j=1;j<num.length();j++){
        String s=num.substring(0,j);
        String t = num.substring(j, num.length());
        String sum=t+s;
        int m=Integer.parseInt(sum); 
        if (m <= B && m >= A && m != n && m > n) { score++; }
      }
    }
    return score;
    
  }
}

