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 googlers;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;

public class Mainclass {
	String line[];
	int bv=1;
	Mainclass(){
		line=new String[50];
		FileInputStream fstream;
		DataInputStream in;
		BufferedReader br;
		try{
			fstream = new FileInputStream("in.txt");
			in = new DataInputStream(fstream);
			br = new BufferedReader(new InputStreamReader(in));
			int x=Integer.parseInt(br.readLine());
			for(int z=0;z<x;z++){
				line[z]=br.readLine();
				tranform(line[z]);
			}
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
	private void tranform(String string) {
		String A[];
		int count=0;
		int z=0;
		A=string.split(" ");
		int a=Integer.parseInt(A[0]);
		int b=Integer.parseInt(A[1]);
		//System.out.println(a+ " " +b);
		int len=new Integer(a).toString().length();
		for(int x=a;x<=b;x++){
			String test=new String(x+"");
			String temp=test;
			for(int y=0;y<len-1;y++){
				temp=temp.charAt(len-1)+temp.substring(0,len-1);
				int testn=Integer.parseInt(temp);
				//System.out.println(testn);
			
				if(testn==x)continue;
				if(testn<a||testn>b)
					continue;
				z++;
			}
				
				
			}
		
		System.out.println(z/2);
		String output=new String(z/2+"");
		try{
			File file = new File("out.txt");
			FileWriter fileWritter = new FileWriter(file.getName(),true);
	        BufferedWriter bufferWritter = new BufferedWriter(fileWritter);
			bufferWritter.write(new String("Case #"+bv+": "+output+"\n"));
	        System.out.println("Case #"+bv+": "+output+"\n");
	        bv++;
	        bufferWritter.close();
	        

		}catch(Exception e){
			e.printStackTrace();
		}
	}

	public static void main(String args[]){
		new Mainclass();
		
	}
	
}
