/*
 * 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 com.vp.common;

public class CommonUtility {
	
	public static int[] convertStringArraytoIntArray(String[] sarray) {
		if (sarray != null) {
			int intarray[] = new int[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				intarray[i] = Integer.parseInt(sarray[i]);
			}
			return intarray;
		}

		return null;
	}
	
	public static float[] convertStringArraytoFloatArray(String[] sarray) {
		if (sarray != null) {
			float floatArray[] = new float[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				floatArray[i] = Float.parseFloat(sarray[i]);
			}
			return floatArray;
		}

		return null;
	}
	
	public static double[] convertStringArraytoDoubleArray(String[] sarray) {
		if (sarray != null) {
			double darray[] = new double[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				darray[i] = Double.parseDouble(sarray[i]);
			}
			return darray;
		}

		return null;
	}
	
	public static long[] convertStringArraytoLongArray(String[] sarray) {
		if (sarray != null) {
			long longarray[] = new long[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				longarray[i] = Long.parseLong(sarray[i]);
			}
			return longarray;
		}

		return null;
	}
	
	
	public static void print(int a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void printWithoutExtrLine(int a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
	}
	
	
	public static void print(float a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void print(double a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	

	public static void print(long a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void print(String a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}

}
