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.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


public class RecycledNumbers {
  
  public static void readInput(String pFileName, List<String> pInputCases) {
    File tFile = new File(pFileName);
    try {
      BufferedReader tBufferedReader = new BufferedReader(
          new InputStreamReader(new FileInputStream(tFile)), 4096);
      String tLineRead = tBufferedReader.readLine().trim();
      int tCaseSize = Integer.valueOf(tLineRead);
      int tLineIndex = 0;
      while(tLineIndex < tCaseSize) {
        tLineRead = tBufferedReader.readLine().trim();
        pInputCases.add(tLineRead);
        tLineIndex++;
      }
    } catch(FileNotFoundException pException) {
      pException.printStackTrace();
    } catch(IOException pException) {
      pException.printStackTrace();
    }
  }
  
  public static void main(String[] pArgs) {
    if(pArgs.length == 0) {
      System.out.println("no input");
      return;
    }
    List<String> tInputCases = new ArrayList<String>();
    
    readInput(pArgs[0], tInputCases);
    for(int tCaseIndex = 0; tCaseIndex < tInputCases.size(); tCaseIndex++) {
      String[] tInputs = tInputCases.get(tCaseIndex).split("[ ]+");
      int tLower = Integer.valueOf(tInputs[0]);
      int tUpper = Integer.valueOf(tInputs[1]);
      
      int tPairs = 0;
      Map<String, Integer> tMapPairs = new HashMap<String, Integer>();
      for(int tNumber = tLower; tNumber < tUpper; ++tNumber) {
        int tLength = String.valueOf(tNumber).length();
        int tHighUnit = 1;
        for(int i = 0; i < tLength - 1; ++i) {
          tHighUnit *= 10;
        }
        int tValue = tNumber;
        int[] tValues = new int[tLength];
        tValues[0] = tNumber;
        for(int i = 1; i < tLength; ++i) {
          int tHead = tValue / tHighUnit;
          int tTail = tValue - tHead * tHighUnit;
          int tNewValue = tTail * 10 + tHead;
          tValues[i] = tNewValue;
          tValue = tNewValue;
        }
        for(int i = 0; i < tLength - 1; ++i) {
          for(int j = i + 1; j < tLength; ++j) {
            int tOldValue = tValues[i];
            int tNewValue = tValues[j];
            String tKey = tOldValue + "-" + tNewValue;
            if((tOldValue < tNewValue) && (tLower <= tOldValue)
                && (tNewValue <= tUpper) && (tOldValue != tNewValue)) {
              if(!tMapPairs.containsKey(tKey)) {
                ++tPairs;
                tMapPairs.put(tKey, 1);
              }
            }
          }
        }
      }
      System.out.println("Case #" + (tCaseIndex + 1) + ": " + tPairs);
    }
  }
}
