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 gcj2012.qual;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C {

	final boolean DEBUG = false;
	final String PACKAGE = "gcj2012/qual";
	final String PROBLEM = "C";
	
	@SuppressWarnings("unchecked")
	void run(){
		if(!DEBUG){
			try {
				System.setIn(new FileInputStream(new File("./src/"+PACKAGE+"/"+PROBLEM+"-small.in")));
//				System.setIn(new FileInputStream(new File("./src/"+PACKAGE+"/"+PROBLEM+"-large.in")));
				System.setOut(new PrintStream(new File("./src/"+PACKAGE+"/"+PROBLEM+"-small_out.txt")));
//				System.setOut(new PrintStream(new File("./src/"+PACKAGE+"/"+PROBLEM+"-large_out.txt")));
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			}
		}
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		int N = 2000000;
		Set<Integer>[] s = new Set[N+1];
		for(int x=1;x<=N;x++){
			s[x] = new HashSet<Integer>();
			String t = x+"";
			int n = t.length();
			for(int i=0;i<n-1;i++){
				t = t.substring(n-1)+t.substring(0, n-1);
				if(t.charAt(0)=='0')continue;
				int r = Integer.parseInt(t);
				if(x<r&&r<=N)s[x].add(r);
			}
		}
		for(int CASE=1;CASE<=T;CASE++){
			int A = sc.nextInt(), B = sc.nextInt();
			int res = 0;
			for(int i=A;i<=B;i++)for(int x:s[i])if(x<=B)res++;
			System.out.println("Case #"+CASE+": "+res);
		}
	}
	
	public static void main(String[] args) {
		new C().run();
	}
}
