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 codejam;

import java.io.*;
import java.util.HashSet;
import java.util.Set;

/**
 * @author Dmitry Korolev
 */
public class Task3 {

    public static void main(String[] args) throws IOException {
        Reader inputReader = new FileReader("C-large.in");
        Writer outputWriter = new FileWriter("C-large.out");
        BufferedReader in = new BufferedReader(inputReader);
        BufferedWriter out = new BufferedWriter(outputWriter);
        String numStr = in.readLine();
        int n = Integer.parseInt(numStr);
        for (int i = 0; i < n; i++) {
            String line = in.readLine();
            String[] strs = line.split("\\s");
            int a = Integer.valueOf(strs[0]);
            int b = Integer.valueOf(strs[1]);
            out.write("Case #" + (i+1) + ": " + count(a, b) + "\n");
        }
        in.close();
        out.close();

        assert count(1, 9) == 0;
        assert count(10, 40) == 3;
        assert count(100, 500) == 156;
        assert count(1111, 2222) == 287;
    }

    private static int count(int a, int b) {
        int length = Integer.toString(a).length();

        Set<Long> pairs = new HashSet<>();
        for (int x = a; x < b; x++) {
            for (int n = 1; n < length; n++) {
                int r = rotate(x, n);
                if (r > x && r <= b) {
                    pairs.add((long) (x * 3000000 + r));
                }
            }
        }
        return pairs.size();
    }

    private static int rotate(int a, int n) {
        String number = Integer.toString(a);
        String head = number.substring(0, n);
        String tail = number.substring(n);
        return Integer.parseInt(tail + head);
    }
}
