import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

package at.jaki.codejam.qr2012.C;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.LinkedList;
import java.util.List;
import java.util.Scanner;

public class C {

	private static final String TEMPLATE = "Case #%d: %d";

	private static final String IN = "C-small-attempt0.in";
	private static final String OUT = "C-small-attempt0.out";

	private static Scanner sc;
	private static PrintWriter pw;

	public static void main(String[] args) throws FileNotFoundException {
		sc = new Scanner(new File(IN));
		pw = new PrintWriter(new File(OUT));
		int tests = sc.nextInt();
		for (int i = 1; i <= tests; i++) {
			resolve(i);
		}
		pw.flush();
		pw.close();
	}

	private static void resolve(int TT) {
		int A = sc.nextInt();
		A = Math.max(A, 10);
		int B = sc.nextInt();
		long total = 0;

		boolean[] used = new boolean[B + 1];

		for (Integer i = A; i <= B; i++) {
			if (!used[i]) {
				used[i] = true;
				List<Integer> res = turn(i.toString(), A, B);
				int n = res.size();
				total += (n * (n + 1) / 2);
				for (Integer j : res) {
					used[j] = true;
				}
			}
		}
		System.out.println(total);
		pw.println(String.format(TEMPLATE, TT, total));
	}

	private static final List<Integer> turn(String x, int min, int max) {
		StringBuilder sb = new StringBuilder(x);
		List<Integer> l = new LinkedList<Integer>();
		for (int i = 0; i < x.length() - 1; i++) {
			char ch = sb.charAt(0);
			sb.delete(0, 1);
			sb.append(ch);
			if (sb.charAt(0) != '0') {
				String string = sb.toString();
				if (!string.equals(x)) {
					Integer y = Integer.valueOf(string);
					if (y >= min && y <= max) {
						if (!l.contains(y))
							l.add(y);
					}
				}
			}
		}
		return l;
	}
}
