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.*;


class ProblemC
{



  public static void main(String[] args) throws IOException
  {
	FileReader fr = new FileReader(args[0]);
	BufferedReader br = new BufferedReader(fr);
	String[] splittArray;
	int[] points;
	int A,B,res;
	int T = Integer.parseInt(br.readLine());
	//System.out.println(T);

	String dummy;
	String result="";
	for(int i=1;i<=T;i++) {
		dummy=br.readLine();
		splittArray=dummy.split(" ");
		A=Integer.parseInt(splittArray[0]);
		B=Integer.parseInt(splittArray[1]);
		res=0;
		for(int j=A;j<B;j++) {
			
			res+=permutes(j,new Integer(j).toString(),B);
		}
		
		result+="Case #"+i+": "+res;
		if(i<T) result+="\r\n";
	}
	br.close();





	FileWriter writer;
  	File file;
  
	     file = new File(args[1]);
     try {
      
       writer = new FileWriter(file ,true);
       
       // Text wird in den Stream geschrieben
      
       writer.write(result);
       
       
       // Schreibt den Stream in die Datei
       // Sollte immer am Ende ausgefÃ¼hrt werden, sodass der Stream 
       // leer ist und alles in der Datei steht.
       writer.flush();
       
       // SchlieÃt den Stream
       writer.close();
    } catch (IOException e) {
      e.printStackTrace();
    }
	
  }

public static int permutes(int b,String a,int c) {
	LinkedList<Integer> result=new LinkedList<Integer>();
	String dummy;
	int dummy2;

	for(int i=1;i<=a.length()-1;i++) {
		dummy=a.substring(i,a.length())+a.substring(0,i);
		dummy2=Integer.parseInt(dummy);
		if(dummy2>b && dummy2<=c && !result.contains(dummy2)) result.add(dummy2);
	}

	return result.size();
}
	

}

