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 codejam;

import java.io.File;
import java.util.Scanner;
import java.io.FileWriter;
import java.util.Arrays;

/**
 *
 * @author Abiosoft
 */
public class Recycler {

    public static void main(String[] a) throws Exception {
        process("Recycler.in");
    }

    public static void process(String filename) throws Exception {
        File file = new File(filename);
        Scanner in = new Scanner(file);
        numberOfCase = Integer.parseInt(in.nextLine());
        String[] results = new String[numberOfCase];
        for (int i = 0; i < numberOfCase; i++) {
            String[] row = in.nextLine().split(" ");
            results[i] = "" + solve(row);
        }
        in.close();
        output(results);
    }

    public static void output(String[] results) throws Exception {
        File file = new File("Recycler.out");
        FileWriter out = new FileWriter(file);
        for (int i = 0; i < results.length; i++) {
            out.write("Case #" + (i + 1) + ": " + results[i]);
            out.write(i < results.length - 1 ? "\n" : "");
        }
        out.close();
    }

    public static int solve(String[] row) {
        int n1 = Integer.parseInt(row[0]);
        int n2 = Integer.parseInt(row[1]);
        char[] r1;
        char[] r2;
        String s1;
        String s2;
        int count = 0;
        for (int i = n1; i < n2; i++) {
            for (int j = i + 1; j <= n2; j++) {
                r1 = (i + "").toCharArray();
                r2 = (j + "").toCharArray();
                s1 = new String(r1);
                s2 = new String(r2);
                Arrays.sort(r1);
                Arrays.sort(r2);
                if (Arrays.equals(r1, r2)) {
                    count += testRecycle(s1, s2);
                }
            }
        }
        return count;
    }

    public static int testRecycle(String n, String m) {
        int count = 0;
        for (int i = 1; i < n.length(); i++) {
            String nn = n.substring(i);
            int index = m.indexOf(nn);
            if (index < 0) {
                continue;
            }
            String s = nn + n.substring(0, i);
            if (s.equals(m)) {
                return 1;
            }
        }
        return count;
    }
    public static int numberOfCase = 0;
}
