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;
	}

}

package q2012;

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

public class RecycledNumbers {
   public static void main(String[] args) throws Exception {
      String input = "C-small-attempt0.in";
      String output = "C-small-attempt0.out";

      Scanner scan = new Scanner(new BufferedReader(new FileReader(input)));
      PrintWriter pw = new PrintWriter(new BufferedWriter(
            new FileWriter(output)));

      int T = Integer.parseInt(scan.nextLine());
      for (int t = 1; t <= T; t++) {
         String[] info = scan.nextLine().split(" ");
         int A = Integer.parseInt(info[0]);
         int B = Integer.parseInt(info[1]);
         long count = 0;
         for (int i = A; i <= B; i++) {
            char[] num = String.valueOf(i).toCharArray();
            HashSet<Integer> set = new HashSet<Integer>();
            for (int j = 1; j < num.length; j++) {
               String n = "";
               for (int k = j, m = 0; m < num.length; m++, k = (k + 1)
                     % num.length)
                  n += num[k];
               int s = Integer.parseInt(n);
               if (s > i && s <= B)
                  set.add(s);
            }
            count += set.size();
         }
         pw.println("Case #" + t + ": " + count);
      }

      scan.close();
      pw.close();
   }
}