/*
 * 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);
        
    }
    }
}

package cj;

import java.io.IOException;
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.PrintWriter;
import java.io.FileWriter;

import java.util.List;
import java.util.ArrayList;
import java.util.Scanner;

public class Utils {
    
    public static int[] toInts(String str, String sep) {
	String[] strs = str.split(sep);
	int[] ret = new int[strs.length];
	for (int i=0; i<ret.length; i++) {
	    ret[i] = new Integer(strs[i]);
	}
	return ret;
    }

    public static void writeLines(String[] lines, String file) {
	try {
	    FileWriter fw = new FileWriter(file);
	    PrintWriter pw = new PrintWriter(fw);
	    for (int i=0; i<lines.length; i++) {
		pw.println(lines[i]);
	    }
	    fw.close();
	    pw.close();
	} catch (IOException ioe) {
	    ioe.printStackTrace();
	}
    }
    
    public static String[] readLines(String file) {
	List<String> lines = new ArrayList<String>();
	try {
	    FileReader fr = new FileReader(file);
	    BufferedReader textReader = new BufferedReader(fr);
	    String line = null;
	    while ((line = textReader.readLine()) != null) {
		lines.add(line);
	    }
	    fr.close();
	    textReader.close();
	} catch (IOException ioe) {
	    ioe.printStackTrace();
	}
	return lines.toArray(new String[0]);
    }
    
    public static int[] sort(int[] a) {
	boolean swapped = true;
	while (swapped) {
	    swapped = false;
	    for (int i=0; i<a.length-1; i++) {
		if (a[i]>a[i+1]) {
		    int temp = a[i];
		    a[i] = a[i+1];
		    a[i+1] = temp;
		    swapped = true;
		}
	    }
	}
	return a;
    }

    public static int[] reverse(int[] a) {
	int[] ret = new int[a.length];
	for (int i=0; i<ret.length; i++) {
	    ret[i] = a[a.length - i - 1];
	}
	return ret;
    }
}