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 SOURCE041312_CJ_Qual_DancingWithGooglers {

    public static void main(String sargs[])throws IOException
    {
    	System.setOut(new PrintStream(new File("LargeOUTPUT041312_CJ_Qual_DancingWithGooglers.dat")));
    	Scanner oScan=new Scanner(new File("C-large.in"));
    	int T=Integer.parseInt(oScan.nextLine().trim());
    	int Case=0;
    	while(T-->0)
    	{
    		Set<String> l=new HashSet<String>();


    		int A=oScan.nextInt();int B=oScan.nextInt();
    		for(int i=A;i<=B;++i)
    		{

    			String n=i+"";
    			for(int ind=1;ind<n.length();++ind)
    			{
    				String m=n.substring(ind)+n.substring(0,ind);
    				if(Integer.parseInt(m)<=B&&Integer.parseInt(m)>Integer.parseInt(n))
    					l.add(""+n+" "+m);
    			}
    		}
    		System.out.println("Case #"+ ++Case+": "+l.size());
    	}
    }


}