/*
 * 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.*;
import java.util.Scanner;

public class Problem3 {
    public static void main(String[] args) {
        try {
            Scanner inputReader = new Scanner(new File("S:\\input.in"));
            int inputCases = inputReader.nextInt();
            PrintWriter outputWriter = new PrintWriter("S:\\output.in");
            for (int currentInputCase = 0; currentInputCase < inputCases; currentInputCase++) {
                String markUpString = "";
                int milestone = 0;
                int firstA = inputReader.nextInt();
                int secondB = inputReader.nextInt();
                for (int currentN = firstA; currentN < secondB; currentN++) {
                    String n = currentN + "";
                    for (int i = 1; i <= n.length() - 1; i++) {
                        String trimString = n.substring(n.length() - i, n.length()) + n.substring(0, n.length() - i);
                        if (!trimString.startsWith("0")) {
                            if (!n.equals(trimString)) {
                                int trimmedInt = Integer.parseInt(trimString);
                                if (trimmedInt <= secondB && trimmedInt > (Integer.parseInt(n))) {
                                    if (!markUpString.contains(n + "#" + trimString)) {
                                        markUpString += (n + "#" + trimString + ",");
                                        milestone++;
                                    }
                                }
                            }
                        }
                    }
                }
                outputWriter.write("Case #" + (currentInputCase + 1) + ": " + milestone + "\n");
            }
            outputWriter.flush();
            outputWriter.close();
        } catch (Exception e) {

        }
    }

}
