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 main;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class RecycledNumbers {

	public static void main(String... args) throws NumberFormatException, IOException {
		BufferedReader buffer = new BufferedReader(new InputStreamReader(new FileInputStream(args[0])));
		
		int qtd = Integer.parseInt(buffer.readLine());
		
		List<String> saida = new ArrayList<String>();
		for (int i = 1; i <= qtd; i++) {
			combinacoesFeitas = new HashSet<String>();
			saida.add("Case #" + i + ": " + qtsTemNoIntervalo(buffer.readLine()));
		}
		
		buffer.close();
		
		escrevaNoArquivoASaida("output.txt", saida);
	}

	private static void escrevaNoArquivoASaida(String nomeArquivo, List<String> saida) throws IOException {
		BufferedWriter br = new BufferedWriter(new FileWriter(new File(nomeArquivo)));  
		
		for (String string : saida) {
			br.write(string + "\n");
		}
		  
		br.close(); 
	}
	
	public static int qtsTemNoIntervalo(String linha) {
		String[] valores = linha.split(" ");
		return qtsTemNoIntervalo(Integer.valueOf(valores[0]), Integer.valueOf(valores[1]));
	}
	
	static Set<String> combinacoesFeitas = new HashSet<String>();
	public static int qtsTemNoIntervalo(int inicio, int fim) {
		int tamanhoString = String.valueOf(inicio).length();
		
		int count = 0;
		for (int numeroAtual = inicio; numeroAtual <= fim; numeroAtual++) {
			String numeroAtualString = String.valueOf(numeroAtual);
			
			for(int indiceSubs = 1; indiceSubs < tamanhoString; indiceSubs++) {
				String rabo = numeroAtualString.substring(indiceSubs);
				String cabeca = numeroAtualString.substring(0, indiceSubs);
				
				String novoNumeroString = rabo + cabeca;
				int novoNumero = Integer.valueOf(novoNumeroString);
				novoNumeroString = String.valueOf(novoNumero);
				
				if (inicio <= novoNumero 
					&& numeroAtual < novoNumero 
					&& novoNumero <= fim
					&& numeroAtualString.length() == novoNumeroString.length()
					&& !combinacoesFeitas.contains(numeroAtual + novoNumeroString)) {
					count++;
					combinacoesFeitas.add(numeroAtual + novoNumeroString);
				}
			}
		}

		return count;
	}

}
