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();
		}


	}

}

import java.io.*;
import java.util.Scanner;
public class RecycledNumbers{
  
  public static void main(String[] args){
    
    //read filename from user
    Scanner request = new Scanner(System.in);
    System.out.println("Enter file name");
    String fileName = request.nextLine();
    
    
    try{
    //create a filereader to read through file contents
      
    Scanner inputFile = new Scanner(new File(fileName));
    //create output file
    BufferedWriter outputFile = new BufferedWriter(new FileWriter("output.txt"));
    
    //read file contents
    
    int lineCount = inputFile.nextInt();
    for(int i=0; i<lineCount;i++){
      int totalCount = 0;
      int a = inputFile.nextInt();
      int b = inputFile.nextInt();
      for(int x=a;x<=b;x++){
      totalCount += recycle(x,b);
      }
      //System.out.println("------------------>"+totalCount);
      outputFile.write("Case #"+ (i+1) + ": " +totalCount);
      outputFile.newLine();
      
    }
   outputFile.close();
    }
    catch(IOException e){
      System.out.println("Error getting file");
    }
  }//end of main
  
  public static int recycle(int base, int max){
    
    String num = base+"";
    int length = num.length();
    //System.out.println(num + " "+length);
    int loop = length-1;
    String front="";
    String back="";
    int result=0;
    int correct=0;
    int current=-99;
    
    for(int i=0; i<=loop; i++){
      
      front = num.substring(0,loop-i);
      back = num.substring(loop-i);
      String res=back+front;
      
      result = Integer.parseInt(res);
      //System.out.println(result);
      
      if((result!=current) && (result > base) && (result <=max)){
        
        current = result;
        correct++;
      }
    }
    return correct;
  }//end of recycle
  
}//end of class