import java.util.*;
import java.io.*;

public class recycled_numbers {
	public static void main(String[]a) throws Exception{
		
		Scanner f = new Scanner(new File(a[0]));
		int result=0;
		int A,B;
		String n,m;
		HashSet<String> s=new HashSet<String>();
		
		int T=f.nextInt();	//T total case count
		for (int t=1; t<=T;t++){//for each case t
			
			s.clear();
			result=0;				//reset
			A=f.nextInt();B=f.nextInt();	//get values for next case
			
			if (A==B)result=0;//remove case not meeting problem limits 
			else{
				for(int i=A;i<=B;i++){//for each int in range
					n=Integer.toString(i);
					m=new String(n);
					//System.out.println(n);
					for (int j=1;j<n.length();j++){//move each digit to the front & test
						m = m.substring(m.length()-1)+m.substring(0,m.length()-1);
						if(m.matches("^0+[\\d]+")!=true &&
								Integer.parseInt(m)<=B &&
								Integer.parseInt(n)<Integer.parseInt(m)){
							s.add(new String(n+","+m));
							//result++;
							//System.out.println(" matched: "+m);
						}
						
					}
				}
				result = s.size();
			}

			//display output
			System.out.println("Case #" + t + ": " + result);
		}
	}
}
package com.renoux.gael.codejam.utils;

import java.io.BufferedReader;
import java.io.Closeable;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;


public class Input implements Closeable {

    BufferedReader reader;

    private Input(BufferedReader reader) {
        this.reader = reader;
    }

    public static Input open(File f) {
        final BufferedReader r;
        try {
            r = FileUtils.getReader(f);
        } catch (FileNotFoundException e) {
            throw new TechnicalException(e);
        }

        return new Input(r);
    }

    public void close() {
        try {
            reader.close();
        } catch (IOException e) {
            throw new TechnicalException(e);
        }
    }

    public String readLine() {
        try {
            return reader.readLine();
        } catch (IOException e) {
            throw new TechnicalException(e);
        }
    }


}
