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 );
    }
}


package Qualification;
import Practice.*;
import java.util.*;
import java.io.*;

public class C {
    
    public void ejecutar() throws Exception {
        Scanner sc = new Scanner(new FileReader("/home/gomezluisj/Descargas/C.in"));
	PrintWriter pw = new PrintWriter(new FileWriter("/home/gomezluisj/Descargas/C.out"));
	int caseCnt = sc.nextInt();
        for (int caseNum = 0; caseNum < caseCnt; caseNum++) {
            pw.print("Case #" + (caseNum + 1) + ": ");
            int ini=sc.nextInt();
            int fin=sc.nextInt();
            int res=0;
            for (int i = ini; i < fin; i++) {
                String number=Integer.toString(i);
                List<Integer> lista=new ArrayList<Integer>();
                for (int j = 1; j < number.length(); j++) {
                    String compare=number.substring(j)+number.substring(0, j);
                    
                    int num=Integer.parseInt(compare);
                    if(num>i&&num<=fin){
                        Iterator iter=lista.iterator();
                        int flag=0;
                        while(iter.hasNext()){
                            if((Integer)iter.next()==num){
                                flag=1;
                            }
                        }
                        if (flag==0){
                            res=res+1;
                            lista.add(num);
                        }
                        
//                        System.out.println(""+i+" "+num);
                    }
                }
            }
            pw.println(res);
        }	
        pw.flush();
        pw.close();
        sc.close();
    }
    
    
    public static void main(String[] args) throws Exception {
		new C().ejecutar();
	}
}
