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.File;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Locale;
import java.util.Scanner;
import java.util.Set;

public class C {

	final static String PREFIX = "C:\\codejam\\C";
//	final static String FILE_NAME = PREFIX + "-test";
	 final static String FILE_NAME = PREFIX + "-small-attempt0";
	// final static String FILE_NAME = PREFIX + "-large";

	private Scanner in;
	private PrintWriter out;

	public static void main(String[] args) throws Exception {
		Locale.setDefault(Locale.US);
		new C().solveAll();
	}

	private void solveAll() throws Exception {
		in = new Scanner(new File(FILE_NAME + ".in"));
		out = new PrintWriter(new File(FILE_NAME + ".out"));
		int tcn = in.nextInt();
		for (int tc = 1; tc <= tcn; tc++) {
			solve(tc);
		}
		out.close();
	}

	private void solve(int tc) {
		int a = in.nextInt();
		int b = in.nextInt();

		long res = 0;
		for (int i = a; i <= b; i++) {
			String is = String.valueOf(i);
			Set<Integer> set = new HashSet<Integer>();
			for (int j = 1; j < is.length(); j++) {
				String x = is.substring(j) + is.substring(0, j);
				if (x.startsWith("0")) {
					continue;
				}
				int c = Integer.parseInt(x);
				if (c > i && c <= b) {
					set.add(c);
				}
			}
			res += set.size();
		}

		out.format("Case #%d: %s\n", tc, res);
		System.out.format("Case #%d: %s\n", tc, res);
	}
}
