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.util.*;
import java.io.*;

public class P3L
{
    public static void main(String[] args) throws Exception
    {
        Scanner sc = new Scanner(new FileReader("input.txt"));
        PrintWriter pw = new PrintWriter(new FileWriter("output.txt"));
        
        int cases = Integer.parseInt(sc.nextLine());
        int c = 0;
        
        for (int i = 0; i < cases; i++)
        {
            long l = sc.nextLong(); // lower limit
            long u = sc.nextLong(); // upper limit
            c = 0;
            
            for(long j = l; j<= u; j++)
            {
                c += noOfCombos(j,l,u);
            }
            
            pw.println("Case #" + (i + 1) + ": " + c);
        }
        
        pw.close();
        sc.close();
    }
    
    static int noOfCombos(long x ,long l, long u) throws Exception
    {
        String s = (x+"");
        long n = 0;
        int c = 0;
        int d = s.length();
        String answers = "";
        
        for(int i = 1; i<d; i++)
        {
            boolean lz = s.charAt(i) == '0';
            if(!lz)
            {
                String s2 = s.substring(i) + s.substring(0,i);
                n = Long.valueOf(s2);
                if(n >= l && n <= u && n > x)
                {
                    if(answers.indexOf(s2) == -1)
                    {
                        answers += s2 + " ";
                        c++;
                    }
                }
            }
        }
        return c;
    }
}