/*
 * 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);
        
    }
    }
}

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

package codejam2012;

/**
 *
 * @author ESIEN
 */
public class C {
        static int numOfDigits;
        final static int max = 1001;
        static int div;
        static boolean[] found = new boolean[max];
        static int[]p = new int[max];
    public static void main(String[] args)throws java.io.IOException{
        java.util.Scanner fromFile = new java.util.Scanner(new java.io.File("input.txt"));
        java.io.PrintStream intoFile = new java.io.PrintStream("output.txt");
        int testCase = fromFile.nextInt();
        for (int test = 1; test <= testCase; test++){
        int a = fromFile.nextInt();
        int b = fromFile.nextInt();
        numOfDigits = 0;
        int t = a;
        while((t/=10)!=0)
            numOfDigits++;
        div = (int)Math.pow(10,numOfDigits);
        int ind=0;
        int totalCount = 0;
        for (int i = a; i <= b; i++){
            if (found[i])
                continue;
            found[p[ind++]=i]=true;
            int c = 0;
            for (int j = 0,k=i%10*div+i/10; j < numOfDigits && k!=i; k=k%10*div+k/10, j++)
                if (k<=b&&k>=a){
                    c++;
                    found[p[ind++]=k]=true;
                }
            totalCount+=(c&1)==0?(c>>1)*(c+1):((c+1>>1)*c);
        }
        for(int i = 0; i < ind; i++)
            found[p[i]]=false;
        intoFile.printf("Case #%d: %d%n",test,totalCount);
        }
        intoFile.close();
        fromFile.close();
    }
}
