/*
 * 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.google.codejam;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumberSolver {

	public static int countRecycledNumber(int start, int end) {
		int count = 0;
		int numOfDigits = String.valueOf(start).length();
		Set<String> numberSet = new HashSet<String>(end - start + 1);
		
		for (int i = start; i <= end; i++) {
			numberSet.add(String.valueOf(i));
		}
		
		while(numberSet.isEmpty() == false) {
			Set<String> rotateList = new HashSet<String>(numOfDigits);
			String targetValue = numberSet.iterator().next();
			rotateList.add(targetValue);
			
			char[] buf = new char[numOfDigits * 2];		
			for (int i = 0; i < numOfDigits; i++) {
				buf[i] = buf[i + numOfDigits] = targetValue.charAt(i);
			}
			
			for (int i = 1; i < numOfDigits; i++) {
				if (buf[i] != '0') {
					String rotateValue = String.valueOf(buf, i, numOfDigits);
					int value = Integer.parseInt(rotateValue);
					if (value >= start && value <= end) {
						rotateList.add(rotateValue);
					}
				}
			}
			
			numberSet.removeAll(rotateList);
			if (rotateList.size() > 1) {
//				System.err.printf("rotate set: %s%n", rotateList.toString());
				count += rotateList.size() * (rotateList.size() - 1) / 2;
			}
		}
		
		return count;
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

//		System.out.println("answer = " + RecycledNumberSolver.countRecycledNumber(10, 40));
		
		Scanner scanner = new Scanner(System.in);
		int totalCount = Integer.parseInt(scanner.nextLine());
		
		for (int i = 0; i < totalCount; i++) {
			String[] inputs = scanner.nextLine().split(" ");
			int answer = RecycledNumberSolver.countRecycledNumber(Integer.parseInt(inputs[0]), Integer.parseInt(inputs[1]));
			System.out.printf("Case #%d: %d%n", i+1, answer);
		}
		
	}

}
