/*
 * 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.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class GoogleReplaced {
    static BufferedWriter bw = null;

    public static void main(String[] args) throws Exception {
        try {
            Scanner sc = new Scanner(new File("C-small-attempt.in"));
            bw = new BufferedWriter(new FileWriter("output.txt"));
            long totalCases = sc.nextLong();
            for (int i = 1; i <= totalCases; i++) {
                int finalCount = 0;
                int i1 = sc.nextInt();
                int i2 = sc.nextInt();
                int tempNum1 = i1;
                for (; tempNum1 <= i2; tempNum1++) {
                    String string = String.valueOf(tempNum1);
                    List usedList = new ArrayList();
                    for (int j = 1; j < string.length(); j++) {
                        String string1 = string.substring(string.length() - j, string
                                .length());
                        String string2 = string.substring(0, string.length() - j);
                        String newString = string1 + string2;
                        int newIntValue = Integer.parseInt(newString);

                        if ((i1 <= newIntValue) && ((i2 >= newIntValue))) {
                            if (newIntValue > tempNum1) {
                                if (!usedList.contains(newIntValue)) {
                                    usedList.add(newIntValue);
                                    finalCount = finalCount + 1;
                                }
                            }
                        }
                    }
                }
                bw.append("Case #" + i + ": ");
                bw.append(String.valueOf(finalCount));
                bw.append("\n");
            }

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            bw.flush();
            bw.close();
        }
    }
}
