package jp.funnything.competition.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.IOUtils;

public class QuestionReader {
    private final BufferedReader _reader;

    public QuestionReader( final File input ) {
        try {
            _reader = new BufferedReader( new FileReader( input ) );
        } catch ( final FileNotFoundException e ) {
            throw new RuntimeException( e );
        }
    }

    public void close() {
        IOUtils.closeQuietly( _reader );
    }

    public String read() {
        try {
            return _reader.readLine();
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }

    public BigDecimal[] readBigDecimals() {
        return readBigDecimals( " " );
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigDecimal[] values = new BigDecimal[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigDecimal( tokens[ index ] );
        }

        return values;
    }

    public BigInteger[] readBigInts() {
        return readBigInts( " " );
    }

    public BigInteger[] readBigInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigInteger[] values = new BigInteger[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigInteger( tokens[ index ] );
        }

        return values;
    }

    public int readInt() {
        final int[] values = readInts();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public int[] readInts() {
        return readInts( " " );
    }

    public int[] readInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final int[] values = new int[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Integer.parseInt( tokens[ index ] );
        }

        return values;
    }

    public long readLong() {
        final long[] values = readLongs();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public long[] readLongs() {
        return readLongs( " " );
    }

    public long[] readLongs( final String separator ) {
        final String[] tokens = readTokens( separator );

        final long[] values = new long[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Long.parseLong( tokens[ index ] );
        }

        return values;
    }

    public String[] readTokens() {
        return readTokens( " " );
    }

    public String[] readTokens( final String separator ) {
        return read().split( separator );
    }
}

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

public class Test_C {
        
    public static void main(String[] args) {
    	try{      
        FileReader fr = new FileReader("D:/codejam/C-small-attempt0.in");
        BufferedReader br = new BufferedReader(fr);
        FileWriter fw = new FileWriter("D:/codejam/C-small-attempt0-out.txt");
        BufferedWriter bw = new BufferedWriter(fw);
        
        long c,a,b;
        int n;
        String line;
        String t[];
        long g[];
        long ans = 0;
        c = Integer.parseInt(br.readLine());
        //c = 1;
        String x,p,m,s,m1="";
                        
        for(int i=1;i<=c;i++) {
        	line = br.readLine();
        	ans = 0;
        	//line = "1111 2222";
        	t = line.split(" ");
        	n = t[0].length();
        	a = Long.parseLong(t[0]);
        	b = Long.parseLong(t[1]);
        	String temp[];
        	boolean oops = false;
        	for(long j=a;j<b;j++) {
        		s = j + "";
        		oops = false;
        		temp = new String[n-1];
        		for(int k=1;k<n;k++) {
        			x="";m="";       
        			//s=j+"";
        			if(s.charAt(k) >= line.charAt(0)){
        				
        			x = s.substring(k);        			
        			m = x + s.substring(0,k);    
        			temp[k-1] = m;
        			for(int y=0;y<k-1;y++)
        				if(m.equals(temp[y]))
        					oops = true;
        					 			
        			if(Long.parseLong(m)<=b && Long.parseLong(m)>j && Long.parseLong(m)>=a && oops == false) {
        				System.out.println(s + "     "+m);
        				ans++;
        			}
        			}       			       					 
        		}
        	}
        	
        	System.out.println("ans = "+ans);
        	String res = "Case #"+i+": "+ans;
        	bw.write(res,0,res.length());
        	bw.flush();
        	bw.newLine();
        }
        }
    	catch(Exception e){}
    }
}
