/*
 * 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.FileWriter;
import java.io.PrintWriter;
import java.util.Scanner;

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

/**
 *
 * @author Eunice
 */
public class Recycled_Numbers {

    static Scanner scanner = new Scanner(System.in);
    static PrintWriter out;

    public static void main(String[] args) {

        try {
             out = new PrintWriter(new FileWriter("C:\\Users\\Eunice\\Desktop\\Code Jam\\CodeJam Outputs\\Recycled_Numbers.txt" ));
        }
        catch (Exception ex) {
            ex.printStackTrace();
        }

        int noTestCases = scanner.nextInt();
        for(int i = 0; i < noTestCases; i++) {
            int A = scanner.nextInt();
            int B = scanner.nextInt();
            int noRecycledPairs = 0;
            String valueOfA = String.valueOf(A);
            String valueOfB = String.valueOf(B);
            int noDigits = valueOfA.length();
            int[] possible = new int[(B - (A - 1))];
            for(int j = 0; j < (B - (A - 1)); j++) {
                possible[j] = A + j;
            }
            int n = 0;
            int m = 0;
            String valueOfn;
            String valueOfm;
            for(int l = 0; l < possible.length; l++) {
                n = possible[l];
                valueOfn = String.valueOf(n);
                for(int k = 0; k < possible.length; k++) {
                    m = possible[k];
                    valueOfm = String.valueOf(m);
                    if(k != l) {
                        if((A <= n) && (n < m) && (m <= B)) {
                            String s = valueOfn;
                            for(int p = 0; p < noDigits; p++) {
                                
                                s = s.charAt(s.length() - 1) + s.substring(0, (s.length() - 1));
                                if(s.equals(valueOfm)) {
                                    noRecycledPairs++;
                                    p = noDigits;
                                }
                            }
                        }
                    }
                }
            }
            
            System.out.println("Case #" + (i + 1) + ": " + noRecycledPairs);
//            out.close();
        }
    }
}
