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 Qualifier;

import java.io.*;
import java.util.*;

public class C_Small {
	private static Scanner in;
	private static PrintWriter out;
    private static String testCase = "C-small";

    public static void main(String[] args) throws Exception {
        Locale.setDefault(Locale.ENGLISH);
        out = new PrintWriter(new FileOutputStream(testCase + ".out"));
        in = new Scanner(new BufferedReader(new InputStreamReader(new FileInputStream(testCase + ".in"))));
        
        int tests = in.nextInt();
        in.nextLine();
    	
        for (int t = 1; t <= tests; ++t) {
            out.print("Case #" + t + ": ");
            new C_Small().solve();
        }
        in.close();
        out.close();
    }

    void solve() throws Exception {
    	int A = in.nextInt();
    	int B = in.nextInt();
    	long result = 0; 
    	if(B < A || String.valueOf(A).trim().length() != String.valueOf(B).trim().length()){
    		return;
    	}
    	
    	for(int n=A; n<=B; n++){
    		String nString = String.valueOf(n);
    		int length = nString.length();
    		for(int j = 1; j < length; j++){
    			String c = nString.substring(j, length) + nString.substring(0 , j);
    			int mCase = Integer.parseInt(c);
    			if(mCase >= A && mCase <= B && mCase > n){
    				result++;
    			}
    		}
    	}
  
    	out.println(result);
    }
}
