import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

import java.io.*;

public class TaskC {
	public static void main(String[] args) {
		try {
			BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
			int t = Integer.valueOf(input.readLine());
			for(int z=1; z<=t; z++) {
				int out = 0;
				String[] line = input.readLine().split(" ");
				int A = Integer.valueOf(line[0]),
				    B = Integer.valueOf(line[1]);
				    
				for(int i=A; i<=B; i++)
					bylo[i] = false;
				    
				// czas na rotacje    
				ileRot = line[0].length() - 1;
				for(int i=A; i<=B; i++)
					if(bylo[i] == false) {
						bylo[i] = true;
						int dodajnik = 1;
						int liczba = i;
						String ls = Integer.toString(liczba);
						// System.out.println("Rotuje " + ls);
						// rotuje ile sie da
						for(int rot=0; rot<ileRot; rot++) {
							// wykonuje rotacje
							String tmp = ls.substring(1);
							tmp = tmp.concat(Character.toString(ls.charAt(0)));
							ls = tmp;
							liczba = Integer.valueOf(ls);
							// sprawdzam czy mam cos nowego
							if(bylo[liczba]==false && liczba>=A && liczba <= B) {
								// System.out.println("Zgadza sie z " + ls);
								bylo[liczba] = true;
								out += dodajnik;
								dodajnik += 1;
							}
						}
					}
				    
				System.out.println("Case #" + z + ": " + out);
			}
		} catch (Exception e) {
			System.err.println(e);
		}
	}
	
	
	static int ileRot;
	static boolean[] bylo = new boolean[2000001];
}
