/*
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 * and open the template in the editor.
 */
package gcj;

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.StreamTokenizer;


public class MySolution {
	public static void main(String[] a) throws IOException {
		sumfile("C-small-attempt0.in");
	}

	static void sumfile(String filename) throws IOException {
		int tests=0;
		int A=0;
		int B=0;
		int count=0;
		Reader r = new BufferedReader(new FileReader(filename));
		StreamTokenizer stok = new StreamTokenizer(r);
		stok.parseNumbers();
		stok.nextToken();
		if (stok.ttype == StreamTokenizer.TT_NUMBER) {
			tests=(int)stok.nval;
		}
		FileWriter fw = new FileWriter("result.txt");
		fw.write("");
		fw.close();
		for(int i=0;i<tests;i++){
			stok.nextToken();
			if (stok.ttype == StreamTokenizer.TT_NUMBER) {
				A=(int)stok.nval;
			}
			stok.nextToken();
			if (stok.ttype == StreamTokenizer.TT_NUMBER) {
				B=(int)stok.nval;
			}
			for(int ii=A;ii<=B;ii++){
				String tmp = ii+"";
				int size=tmp.length();
				int[] allchange=new int[size-1];
				for(int j=1;j<size;j++){
					String tmp2=tmp.substring(j, tmp.length())+tmp.substring(0, j);
					int change=Integer.parseInt(tmp2);
					allchange[j-1]=change;
					int sign=0;
					for(int k=0;k<j-1;k++){
						if(allchange[k]==change){
							//System.out.println("Bingo"+ii);
							sign=1;
						}
					}
					if(change>ii&&change<=B&&sign!=1){
						count++;
						//System.out.print("("+ii+","+change+") ");
					}
				}
				
				
			}
			
			fw = new FileWriter("result.txt",true);  
			String s ="Case #"+(i+1)+": "+count+"\n";  
			fw.write(s,0,s.length());  
			fw.flush();
			System.out.println("Case #"+(i+1)+": "+count);
			count=0;
		}
	}
}
