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.FileReader;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

public class RecycledNumbers {

	int noOfTestCases = 0;
	int[][] testData;
	
	
	public static void main ( String[] args ) {
		
		String fileName = "problemc.sample.in";
		
		if ( args.length > 0 ) {
			fileName = args[0];
		}
		
		RecycledNumbers rn = new RecycledNumbers ( );
		
		try {
			rn.readInputFile ( fileName );
		}
		catch ( IOException e ) {
			System.err.println ( "Problem reading the input file" );
			e.printStackTrace();
		}
		//rn.getRotatedNumbers ( "123456" );
		rn.processTestData ( );
	}
	
	private void processTestData ( ) {
		
		for ( int i = 0; i < noOfTestCases; i++ ) {
			Set < String > unique = new HashSet < String >(); 
			int from = testData[i][0];
			int to = testData[i][1];
			
			for ( int j = from; j <= to; j++ ) {
				int[] rotatedNumbers = getRotatedNumbers ( "" + j );
				
				checkIfValid ( rotatedNumbers, j, from, to, unique );
			}
			System.out.println ( "Case #" + (i+1) + ": " + unique.size ( ));
		}
		
	}
	
	private void checkIfValid ( int[] in, int current, int from, int to, Set < String > unique ) {
		
	
		for ( int i = 0; i < in.length; i++ ) {
			int number = in[i];
			if ( number < from ) {
				
			}
			else if ( number > to ) {
				
			}
			else if ( number <= current ) {
				
			}
			else {
				//System.out.println ( number );
				unique.add ( ""+ number + current );
			}
		}
	}
	
	private int[] getRotatedNumbers ( String input ) {
		
		int length = input.length ( );
		int[] output = new int[length-1];
		char[] outstring = input.toCharArray();
		
		for (int i = 0; i < length-1; i++)  { //Length-1 or length?
			char ch = outstring[length - 1];
			for (int j = length - 1; j > 0; j--)  {
				outstring[j] = outstring[j - 1];
			}
			outstring[0] = ch;
			output[i] = Integer.parseInt ( new String(outstring ) );
			
		}
		
		return output;
		
	}
	
	private void readInputFile ( String fileName ) throws IOException {
		
		BufferedReader br = new BufferedReader ( new FileReader ( fileName ) );
		noOfTestCases = Integer.parseInt ( br.readLine ( ) );
		testData = new int[noOfTestCases][2];
		
		for ( int i = 0; i < noOfTestCases; i++ ) {
			String[] data = br.readLine ( ).split ( " " );
			testData[i][0] = Integer.parseInt ( data[0] );
			testData[i][1] = Integer.parseInt ( data[1] );
		}
	}
}
