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.util.*;
   import java.io.*;
   public class Recycle
   {
      public static void main(String[] args)
      {
         try
         {
            Scanner scan = new Scanner(new File("Recycle.in"));
            int x = Integer.parseInt(scan.nextLine());
            for(int y=0;y<x;y++)
            {
               String s=scan.nextLine();
               calc(123,231,100);
               System.out.println("Case	 #"+(y+1)+": " + convert(s));
            }
         }
            catch(FileNotFoundException e)
            {
               System.out.println("File Not Found");
            }
      }
   
      public static int convert(String t)
      {
         int ret=0;
         String[] ar=t.split("[ ]");
         int a=Integer.parseInt(ar[0]);
         int b=Integer.parseInt(ar[1]);
         if(a == 0 && b == 0)
            return 0;
         if(b<a)
         {
            int c=a;
            a=b;
            b=a;
         }
         int max=1;
         while(max*10<=a)
            max*=10;
         for(int x=a;x<=b;x++)   
            for(int y=a;y<=b;y++)
               ret+=calc(x,y,max);
         return ret/2;
      }
   	
      public static int calc(int x,int y,int max)
      {
         for(int z=10;z<=max;z=z*10)
            if(x!=y) 
               if(x%z==(y-y%(max*10/z))*z/max/10)
                  if(y%(max*10/z)==(x-x%z)/z)
                     return 1;
         return 0;
      }
   }