import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

package jp.funnything.competition.util;

import java.math.BigDecimal;

/**
 * Utility for BigDeciaml
 */
public class BD {
    public static BigDecimal ZERO = BigDecimal.ZERO;
    public static BigDecimal ONE = BigDecimal.ONE;

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

    public static BigDecimal add( final BigDecimal x , final double y ) {
        return add( x , v( y ) );
    }

    public static BigDecimal add( final double x , final BigDecimal y ) {
        return add( v( x ) , y );
    }

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

    public static int cmp( final BigDecimal x , final double y ) {
        return cmp( x , v( y ) );
    }

    public static int cmp( final double x , final BigDecimal y ) {
        return cmp( v( x ) , y );
    }

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

    public static BigDecimal div( final BigDecimal x , final double y ) {
        return div( x , v( y ) );
    }

    public static BigDecimal div( final double x , final BigDecimal y ) {
        return div( v( x ) , y );
    }

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

    public static BigDecimal mul( final BigDecimal x , final double y ) {
        return mul( x , v( y ) );
    }

    public static BigDecimal mul( final double x , final BigDecimal y ) {
        return mul( v( x ) , y );
    }

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

    public static BigDecimal sub( final BigDecimal x , final double y ) {
        return sub( x , v( y ) );
    }

    public static BigDecimal sub( final double x , final BigDecimal y ) {
        return sub( v( x ) , y );
    }

    public static BigDecimal v( final double value ) {
        return BigDecimal.valueOf( value );
    }
}
