package jp.funnything.competition.util;

import java.math.BigInteger;

/**
 * Utility for BigInteger
 */
public class BI {
    public static BigInteger ZERO = BigInteger.ZERO;
    public static BigInteger ONE = BigInteger.ONE;

    public static BigInteger add( final BigInteger x , final BigInteger y ) {
        return x.add( y );
    }

    public static BigInteger add( final BigInteger x , final long y ) {
        return add( x , v( y ) );
    }

    public static BigInteger add( final long x , final BigInteger y ) {
        return add( v( x ) , y );
    }

    public static int cmp( final BigInteger x , final BigInteger y ) {
        return x.compareTo( y );
    }

    public static int cmp( final BigInteger x , final long y ) {
        return cmp( x , v( y ) );
    }

    public static int cmp( final long x , final BigInteger y ) {
        return cmp( v( x ) , y );
    }

    public static BigInteger div( final BigInteger x , final BigInteger y ) {
        return x.divide( y );
    }

    public static BigInteger div( final BigInteger x , final long y ) {
        return div( x , v( y ) );
    }

    public static BigInteger div( final long x , final BigInteger y ) {
        return div( v( x ) , y );
    }

    public static BigInteger mod( final BigInteger x , final BigInteger y ) {
        return x.mod( y );
    }

    public static BigInteger mod( final BigInteger x , final long y ) {
        return mod( x , v( y ) );
    }

    public static BigInteger mod( final long x , final BigInteger y ) {
        return mod( v( x ) , y );
    }

    public static BigInteger mul( final BigInteger x , final BigInteger y ) {
        return x.multiply( y );
    }

    public static BigInteger mul( final BigInteger x , final long y ) {
        return mul( x , v( y ) );
    }

    public static BigInteger mul( final long x , final BigInteger y ) {
        return mul( v( x ) , y );
    }

    public static BigInteger sub( final BigInteger x , final BigInteger y ) {
        return x.subtract( y );
    }

    public static BigInteger sub( final BigInteger x , final long y ) {
        return sub( x , v( y ) );
    }

    public static BigInteger sub( final long x , final BigInteger y ) {
        return sub( v( x ) , y );
    }

    public static BigInteger v( final long value ) {
        return BigInteger.valueOf( value );
    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.HashSet;
import java.util.Set;

/**
 * 
 */

/**
 * @author antonio081014
 * @time: Apr 13, 2012, 5:01:31 PM
 */
public class Main {

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception {
        Main main = new Main();
        main.run();
        System.exit(0);
    }

    public void run() throws Exception {
        BufferedReader br = new BufferedReader(new FileReader("input.in"));
        BufferedWriter out = new BufferedWriter(new FileWriter("output.out"));
        int T = Integer.parseInt(br.readLine());
        for (int t = 1; t <= T; t++) {
            out.write("Case #" + Integer.toString(t) + ": ");
            String[] strs = br.readLine().split("\\s");
            int A = Integer.parseInt(strs[0]);
            int B = Integer.parseInt(strs[1]);

            Set<Integer> set;

            int count = 0;
            for (int n = A; n <= B; n++) {
                String tmp = Integer.toString(n);
                set = new HashSet<Integer>();
                for (int i = 0; i < tmp.length(); i++) {
                    String a = tmp.substring(i) + tmp.substring(0, i);
                    int m = Integer.parseInt(a);
                    if (m > n && m <= B) {
                        set.add(m);
                    }
                }
                count += set.size();
            }
            out.write(Integer.toString(count) + "\n");
        }
        out.close();
    }
}