/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

package jp.funnything.competition.util;

import java.io.File;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.FileUtils;

public class CompetitionIO {
    private final QuestionReader _reader;
    private final AnswerWriter _writer;

    /**
     * Default constructor. Use latest "*.in" as input
     */
    public CompetitionIO() {
        this( null , null , null );
    }

    public CompetitionIO( final File input , final File output ) {
        this( input , output , null );
    }

    public CompetitionIO( File input , File output , final String format ) {
        if ( input == null ) {
            for ( final File file : FileUtils.listFiles( new File( "." ) , new String[] { "in" } , false ) ) {
                if ( input == null || file.lastModified() > input.lastModified() ) {
                    input = file;
                }
            }

            if ( input == null ) {
                throw new RuntimeException( "No *.in found" );
            }
        }

        if ( output == null ) {
            final String inPath = input.getPath();

            if ( !inPath.endsWith( ".in" ) ) {
                throw new IllegalArgumentException();
            }

            output = new File( inPath.replaceFirst( ".in$" , ".out" ) );
        }

        _reader = new QuestionReader( input );
        _writer = new AnswerWriter( output , format );
    }

    public CompetitionIO( final String format ) {
        this( null , null , format );
    }

    public void close() {
        _reader.close();
        _writer.close();
    }

    public String read() {
        return _reader.read();
    }

    public BigDecimal[] readBigDecimals() {
        return _reader.readBigDecimals();
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        return _reader.readBigDecimals( separator );
    }

    public BigInteger[] readBigInts() {
        return _reader.readBigInts();
    }

    public BigInteger[] readBigInts( final String separator ) {
        return _reader.readBigInts( separator );
    }

    /**
     * Read line as single integer
     */
    public int readInt() {
        return _reader.readInt();
    }

    /**
     * Read line as multiple integer, separated by space
     */
    public int[] readInts() {
        return _reader.readInts();
    }

    /**
     * Read line as multiple integer, separated by 'separator'
     */
    public int[] readInts( final String separator ) {
        return _reader.readInts( separator );
    }

    /**
     * Read line as single integer
     */
    public long readLong() {
        return _reader.readLong();
    }

    /**
     * Read line as multiple integer, separated by space
     */
    public long[] readLongs() {
        return _reader.readLongs();
    }

    /**
     * Read line as multiple integer, separated by 'separator'
     */
    public long[] readLongs( final String separator ) {
        return _reader.readLongs( separator );
    }

    /**
     * Read line as token list, separated by space
     */
    public String[] readTokens() {
        return _reader.readTokens();
    }

    /**
     * Read line as token list, separated by 'separator'
     */
    public String[] readTokens( final String separator ) {
        return _reader.readTokens( separator );
    }

    public void write( final int questionNumber , final Object result ) {
        _writer.write( questionNumber , result );
    }

    public void write( final int questionNumber , final String result ) {
        _writer.write( questionNumber , result );
    }

    public void write( final int questionNumber , final String result , final boolean tee ) {
        _writer.write( questionNumber , result , tee );
    }
}
