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 cj2012;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;

public class c {

	static PrintWriter pw;
	static int testOut = 1;

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(new FileReader(
				"C://CODEJAM//2012//C-large-0.in"));
		pw = new PrintWriter(new FileWriter("C://CODEJAM//2012//C-large-0.out"));

		int ntest = sc.nextInt();
		// sc.nextLine();

		for (int test = 1; test <= ntest; ++test) {
			// sc.next();
			int A = sc.nextInt();
			int B = sc.nextInt();

			int pairs = 0;

			for (int i = A; i <= B; i++) {
				// System.out.println(i);
				if (i > 9) {
					String is = "" + i;
					HashSet<String> results = new HashSet<String>();
					for (int j = 1; j < is.length(); j++) {
						String changed = is.substring(is.length() - j,
								is.length())
								+ is.substring(0, is.length() - j);
						if (!results.contains(changed)) {
							int ci = Integer.parseInt(changed);
							if (ci > i && ci <= B) {
								//System.out.println(is + "-" + changed);
								pairs++;
								results.add(changed);
							}
						}

					}
				}
			}

			wc("" + pairs);
		}

		pw.close();
		sc.close();
		System.out.println("finished");
	}

	// static int Digits(int number) {
	// int digits = 0;
	// int step = 1;
	// while (step <= number) {
	// digits++;
	// step *= 10;
	// }
	// if (digits == 0)
	// return 1;
	// else
	// return digits;
	// }

	private static void wc(String text) {
		String tt = "Case #" + testOut++ + ": " + text;
		pw.print(tt);
		pw.println();
		System.out.println(tt);
	}
}
