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 recycled;

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.Arrays;

public class Recycled 
{
	static int[] arr = new int[10];
	
	static int rot(int x, int N, int mult) {
		return x/10 + (x%10)*mult;
	}
	
	static int count(int j, int B, int N, int mult) {
		int cnt = 0;
		int tmp = rot(j,N,mult);
		while (tmp != j) {
			if (tmp > j && tmp <= B) {
				arr[cnt] = tmp;
				++cnt;
			}
			tmp = rot(tmp,N,mult);
		}
		Arrays.sort(arr,0,cnt);
		int ret = 0;
		for (int i = 0; i < cnt; ++i)
		{
			if (i == 0 || arr[i] != arr[i-1]) {
				//System.out.println(j+","+arr[i]);
				++ret;
			}
		}
		return ret;
	}
	
	public static void main(String[] args) throws Exception {
		BufferedReader in = new BufferedReader(new FileReader(args[0]));
		String line = in.readLine();
		int X = Integer.parseInt(line);
		for (int i = 0; i < X; ++i) {
			long ret = 0;
			line = in.readLine();
			String[] toks = line.split(" ");
			int A = Integer.parseInt(toks[0]), B = Integer.parseInt(toks[1]);
			int N = (A+"").length();
			int mult = (int)Math.round(Math.pow(10, N-1));
			//System.out.println("Doing "+A+","+B+" with mult = "+mult);
			for (int j = A; j < B; ++j) {
				ret += count(j,B,N,mult);
			}
			System.out.println("Case #"+(i+1)+": "+ret);
		}
	}
}
