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;
	}
}

import java.io.*;
import java.util.*;
class RecycledNumbers
{
    public static void main(String args[]) throws Exception
    {
        Scanner in = new Scanner(new File("C-small-attempt0.in"));
        int t = Integer.parseInt(in.nextLine());
        for(int x = 1; x <= t; x++)
        {
            String st = in.nextLine();
            int a, b;
            a = Integer.parseInt(st.split(" ")[0]);
            b = Integer.parseInt(st.split(" ")[1]);
            int y = 0;
            if(a >= 10)
            {
                for(int i = a; i < b; i++)
                {
                    int n, m;
                    n = i;
                    String tmp = "" + n;
                    for(m = (n + 1); m <= b; m++)
                    {
                        for(int j = 1; j < tmp.length(); j++)
                        {
                            int tt = getNew(n, j);
                            if(tt == m && ("" + tt).length() == ("" + m).length() && a <= n && n < m && m <= b)
                            y++;
                        }
                    }
                }
            }
            System.out.println("Case #" + x + ": " + y);
        }
    }
    public static int getNew(int n, int a)
    {
        String s = "" + n;
        int  p = s.length() - a;
        String s2 = s.substring(p);
        String s3 = s.substring(0, p);
        s = s2 + s3;
        return Integer.parseInt(s);
    }
}