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 com.google.cj12;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;

public class RecycledNumber {

	public static void main(String[] args) throws IOException {
		String name = "C-small-attempt0";
		
		BufferedReader f = new BufferedReader(new FileReader("resources/" + name + ".in"));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(
				"resources/" + name + ".out")));
		new RecycledNumber().solve(f, out);
		out.close();
	}

	private void solve(BufferedReader f, PrintWriter out) throws IOException {
		int T = read(f);
		HashSet<String> set = new HashSet<String>();
		
		for (int i=0; i<T; i++) {
			int count = 0;
			int[] a = read(f, 2);
			int A = a[0];
			int B = a[1];
			
			for (int n=A; n<B; n++) {
				String s = "" + n;
				for (int j=0; j<s.length()-1; j++) {
					s = s.substring(1) + s.charAt(0);
					if (s.charAt(0) == '0' || set.contains(s)) continue;
					
					set.add(s);
					int m = Integer.parseInt(s);
					if (m > n && m <= B) {
						count++;
					}
				}
				
				set.clear();
			}
			
			out.println("Case #" + (i+1) + ": " + count);
		}
	}
	
	public int read(BufferedReader f) throws IOException {
		return Integer.parseInt(f.readLine());
	}
	
	public int[] read(BufferedReader f, int N) throws IOException {
		String[] t = f.readLine().split(" ");
		int[] a = new int[N];
		for (int i=0; i<N; i++) {
			a[i] = Integer.parseInt(t[i]);
		}
		return a;
	}
}
