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.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;


public class Utils {
	public static ArrayList<String> readFile(String filename){
		//replace local file with remote file from peerInfo address
		ArrayList<String> ret= new ArrayList<String>();
		try {
			FileInputStream fstream = new FileInputStream(filename);
		    // Get the object of DataInputStream
		    DataInputStream in = new DataInputStream(fstream);
		    BufferedReader br = new BufferedReader(new InputStreamReader(in));
		    String strLine;
		    //Read File Line By Line
		    while ((strLine = br.readLine()) != null)   {
		      // Print the content on the console
		      ret.add(strLine);
		    }
		    //Close the input stream
		    in.close();
				  
	    }
	   catch (Exception e) { e.printStackTrace(); }
	   return ret;
	}
	public static void writeFile(ArrayList<String> input, String filename){
		//replace local file with remote file from peerInfo address
		try{
		    // Create file 
		    FileWriter fstream = new FileWriter(filename);
		    BufferedWriter out = new BufferedWriter(fstream);
		    for (String string : input) {
		    	out.write(string+"\n");
			}
		    //Close the output stream
		    out.close();
	    }catch (Exception e){//Catch exception if any
	      System.err.println("Error: " + e.getMessage());
	    }
	}
	public static void compare(String filename1, String filename2){
		//replace local file with remote file from peerInfo address
		try {
			FileInputStream fstream1 = new FileInputStream(filename1);
		    // Get the object of DataInputStream
		    DataInputStream in1 = new DataInputStream(fstream1);
		    BufferedReader br1 = new BufferedReader(new InputStreamReader(in1));
		    String strLine1;
		    FileInputStream fstream2 = new FileInputStream(filename2);
		    // Get the object of DataInputStream
		    DataInputStream in2 = new DataInputStream(fstream2);
		    BufferedReader br2 = new BufferedReader(new InputStreamReader(in2));
		    String strLine2;
		    boolean isDup=false;
		    //Read File Line By Line
		    while ((strLine1 = br1.readLine()) != null)   {
		    	strLine2 = br2.readLine();
		      // Print the content on the console
		      if(!strLine1.equals(strLine2)){
		    	  isDup=true;
		    	  System.out.println("1="+strLine1+", 2="+strLine2);
		      }
		    }
		    if(!isDup){
		    	System.out.println("same");
		    }
		    //Close the input stream
		    in1.close();
		    in2.close();
				  
	    }catch (Exception e){//Catch exception if any
	      System.err.println("Error: " + e.getMessage());
	    }
	}

	public static void sort(String input, String output){
		//replace local file with remote file from peerInfo address
		ArrayList<String> l= readFile(input);
		Collections.sort(l, new Comparator(){
			public int compare(Object arg0, Object arg1) {
				String st1=(String)arg0;
				String st2=(String)arg1;
				int i1=Integer.parseInt(st1.substring(st1.indexOf('#')+1, st1.indexOf(':')));
				int i2=Integer.parseInt(st2.substring(st2.indexOf('#')+1, st2.indexOf(':')));
				return i1-i2;
			}
			
		});
		writeFile(l, output);
	}
}
