
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;
import java.io.File;
import java.io.IOException;
import java.io.FileWriter;
import java.io.BufferedWriter;

public class Recycle
{
	public static void main(String[] args)
	{
/*		Set<Integer> perms = getPermutations(123456);
		
		for(Integer i: perms)
			System.out.println(i);*/
	
		try
		{
			Scanner s = new Scanner(new File("recycle.in"));
			BufferedWriter w = new BufferedWriter(new FileWriter(new File("recycle.out")));
			int numCases = s.nextInt();
			s.nextLine();
			
			for(int n = 1;n <= numCases; n++)
			{
				int A = s.nextInt();
				int B = s.nextInt();
				int count = 0;
				for(int k = A; k <= B; k++)
				{
					count += getNumPairs(k, B);
				}
				
				w.write("Case #" + n + ": " + count + "\n");
			}
			
			w.flush();
			w.close();
		}
		catch (IOException e)
		{
			e.printStackTrace();
		}
	}
	
	public static int getNumPairs(int n, int B)
	{
		Set<Integer> possibles = getPermutations(n);
		int count = 0;
		for(Integer i : possibles)
			if(i > n && i <= B)
				count++;
		return count;
	}
	
	public static Set<Integer> getPermutations(int n)
	{
		Set<Integer> perms = new TreeSet<Integer>();
		char[] digits = String.valueOf(n).toCharArray();
		
		for(int firstPos = 1; firstPos < digits.length; firstPos++)
		{
			String toBuild = "";
			for(int k = 0; k < digits.length; k++)
				toBuild += digits[(firstPos + k) % digits.length];
			perms.add(Integer.parseInt(toBuild));
		}
		return perms;
	}
	

}
package com.clausewitz.codejam;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public abstract class Solver {
	protected BufferedReader fileIn = null;
	
	protected String outFilename = "output.out";
	protected int numOfTestCase = -1;
	
	protected String answer[] = null;

	public void openFile(String filename) {
		try {
			fileIn = new BufferedReader(new FileReader(filename));
			if(filename.substring(filename.length()-3,filename.length()).equals(".in"))
				outFilename = filename.substring(0, filename.length()-3) + ".out";
		} catch (IOException e) {
			System.out.println("Cannot open file: " + e.getMessage());
		}
	}
	
	public void closeFile() {
		try {
			if(fileIn!=null) fileIn.close();
		} catch (IOException e) {
			System.out.println("Cannot close file: " + e.getMessage());
		}
	}
	
	public void setOutFilename(String filename) {
		this.outFilename = filename;
	}
	
	public int readNumber(int defaultValue) {
		int result = defaultValue;
		try {
			result = Integer.parseInt(fileIn.readLine());
		} catch (Exception e) {
			System.out.println("Cannot read a number from file: " + e.getMessage());
		}
		return result;
	}
	
	public void prepareAnswers() {
		answer = new String[numOfTestCase];
	}
	
	public abstract void readProblem() throws IOException;
	public abstract void algorithm(int idx);
	
	public void printAnswer() {
		try {
			BufferedWriter fileOut = new BufferedWriter(new FileWriter(this.outFilename));
			for(int i=0;i<numOfTestCase;++i) {
				String output = "Case #" + (i+1) + ": " + answer[i] + "\n";
				System.out.print(output);
				fileOut.write(output);
			}
			fileOut.close();
		} catch (IOException e) {
			System.out.println("Exception to print answers: " + e.getMessage());
		}
	}
	
	public void solve(String filename) {
		openFile(filename);
		
		numOfTestCase = readNumber(-1);
		prepareAnswers();
		
		for(int i=0;i<numOfTestCase;++i) {
			try {
				readProblem();
				algorithm(i);
			} catch (IOException e) {
				System.out.println("Exception at reading problem #" + (i+1) + ": " + e.getMessage());
			}
		}
		printAnswer();
		
		closeFile();
	}
}
