import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Scanner;
import java.util.TreeSet;

// Recycled Numbers
// https://code.google.com/codejam/contest/1460488/dashboard#s=p2

public class C {

	private static String process(Scanner in) {
		int A = in.nextInt();
		int B = in.nextInt();
		int res = 0;
		int len = Integer.toString(A).length();
		for(int n = A; n < B; n++) {
			String str = Integer.toString(n);
			TreeSet<Integer> set = new TreeSet<Integer>();
			for(int i = 1; i < len; i++) {
				int m = Integer.parseInt(str.substring(i, len) + str.substring(0, i));
				if ( m > n && m <= B && ! set.contains(m) ) {
					set.add(m);
					res++;
				}
			}
		}
		return Integer.toString(res);
	}

	public static void main(String[] args) throws Exception {
		Scanner in = new Scanner(System.in.available() > 0 ? System.in : 
			new FileInputStream(Thread.currentThread().getStackTrace()[1].getClassName() + ".practice.in"));
		int T = in.nextInt();
		for(int i = 1; i <= T; i++) 
			System.out.format("Case #%d: %s\n", i, process(in));
	}
}

package google.contest.A;

import google.loader.Challenge;
import google.problems.AbstractChallenge;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class AChallenge extends AbstractChallenge implements Challenge {

	private String text;
	private static Map<String, String> map;

	public AChallenge(int number, String line) {
		super(number);
		text = line;
		initTranslationMap();
		setResult(translate());
	}

	private String translate() {
		String res="";
		for(int i=0;i<text.length();i++){
			res=res+map.get(String.valueOf(text.charAt(i)));
		}
		return res;
	}

	private void initTranslationMap() {
		if(map==null){
			map = new HashMap<String, String>();

			String  input="ejp mysljylc kd kxveddknmc re jsicpdrysirbcpc ypc rtcsra dkh wyfrepkym veddknkmkrkcdde kr kd eoya kw aej tysr re ujdr lkgc jv";
			String output="our language is impossible to understandthere are twenty six factorial possibilitiesso it is okay if you want to just give up";

			for(int i=0;i<input.length();i++){
				map.put(String.valueOf(input.charAt(i)),String.valueOf(output.charAt(i)));
			}
			map.put("q","z");
			map.put("z","q");
		}
	}


}
