import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

package jp.funnything.competition.util;

import java.io.File;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.FileUtils;

public class CompetitionIO {
    private final QuestionReader _reader;
    private final AnswerWriter _writer;

    /**
     * Default constructor. Use latest "*.in" as input
     */
    public CompetitionIO() {
        this( null , null , null );
    }

    public CompetitionIO( final File input , final File output ) {
        this( input , output , null );
    }

    public CompetitionIO( File input , File output , final String format ) {
        if ( input == null ) {
            for ( final File file : FileUtils.listFiles( new File( "." ) , new String[] { "in" } , false ) ) {
                if ( input == null || file.lastModified() > input.lastModified() ) {
                    input = file;
                }
            }

            if ( input == null ) {
                throw new RuntimeException( "No *.in found" );
            }
        }

        if ( output == null ) {
            final String inPath = input.getPath();

            if ( !inPath.endsWith( ".in" ) ) {
                throw new IllegalArgumentException();
            }

            output = new File( inPath.replaceFirst( ".in$" , ".out" ) );
        }

        _reader = new QuestionReader( input );
        _writer = new AnswerWriter( output , format );
    }

    public CompetitionIO( final String format ) {
        this( null , null , format );
    }

    public void close() {
        _reader.close();
        _writer.close();
    }

    public String read() {
        return _reader.read();
    }

    public BigDecimal[] readBigDecimals() {
        return _reader.readBigDecimals();
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        return _reader.readBigDecimals( separator );
    }

    public BigInteger[] readBigInts() {
        return _reader.readBigInts();
    }

    public BigInteger[] readBigInts( final String separator ) {
        return _reader.readBigInts( separator );
    }

    /**
     * Read line as single integer
     */
    public int readInt() {
        return _reader.readInt();
    }

    /**
     * Read line as multiple integer, separated by space
     */
    public int[] readInts() {
        return _reader.readInts();
    }

    /**
     * Read line as multiple integer, separated by 'separator'
     */
    public int[] readInts( final String separator ) {
        return _reader.readInts( separator );
    }

    /**
     * Read line as single integer
     */
    public long readLong() {
        return _reader.readLong();
    }

    /**
     * Read line as multiple integer, separated by space
     */
    public long[] readLongs() {
        return _reader.readLongs();
    }

    /**
     * Read line as multiple integer, separated by 'separator'
     */
    public long[] readLongs( final String separator ) {
        return _reader.readLongs( separator );
    }

    /**
     * Read line as token list, separated by space
     */
    public String[] readTokens() {
        return _reader.readTokens();
    }

    /**
     * Read line as token list, separated by 'separator'
     */
    public String[] readTokens( final String separator ) {
        return _reader.readTokens( separator );
    }

    public void write( final int questionNumber , final Object result ) {
        _writer.write( questionNumber , result );
    }

    public void write( final int questionNumber , final String result ) {
        _writer.write( questionNumber , result );
    }

    public void write( final int questionNumber , final String result , final boolean tee ) {
        _writer.write( questionNumber , result , tee );
    }
}
