/*
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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.FileWriter;
import java.io.IOException;
import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.IOException;
import java.util.Arrays;


public class Recycled {


	public static void main(String args[]) throws IOException
	{
		try
		{
			PrintWriter wt= new PrintWriter("C:\\Documents and Settings\\windows\\workspace\\test\\src\\file.out.txt");
			Scanner I = new Scanner(new File("C:\\Documents and Settings\\windows\\workspace\\test\\src\\C-small-attempt0.in"));
			String num = I.nextLine();
			int numTests = Integer.parseInt(num);

			for(int x=0; x<numTests; x++)
			{
				int a = I.nextInt();
				int b = I.nextInt();
				int count = 0;
				int arr[] = new int[b-a+1];

				for(int z = 0; z<(b-a+1); z++)
				{  arr[z] = a + z;
				;
				}

				for( int i = 0; i < (b-a+1); i++)
				{
					for(int j = i; j < (b-a+1); j++)
					{
						if( (arr[i] < arr[j]) && (i != j))
						{
							if (isRecycled(arr[i],arr[j])== true)
								count = count + 1;	 

						} 	
					}
				}
				//logic to write result to file
				String finalResult = "Case #"+(x+1)+": "+count;
				wt.println(finalResult);
			}
			wt.close();
			I.close();
		}
		catch(FileNotFoundException e)
		{
			e.printStackTrace();
		}

		catch(IOException e)
		{
			System.out.println(e);
		}
	}


	// Replacement algorithm
	public static boolean isRecycled(int a, int b)
	{  
		//also need to check for size of a and b ?? not needed if we directly compare


		String strA = Integer.toString(a);
		String strB = Integer.toString(b);
		String newStr = null;
		for (int i = 0; i<strB.length(); i++)
		{   
		    newStr = movedFirstToLast(strB);
		    strB = newStr;
			if(strA.equals(newStr))
			{
				return true;
			}
		}		  	
		return false;

	} 


	public static String movedFirstToLast(String a)
	{
		String newString = null;
		String firstChar = a.substring(0,1);
		newString = a.substring(1); // except first character
		newString = newString + firstChar;
        return newString;
	}


}		 

