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.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;


public class recycling {
	public static void main (String args[]){
		if (args.length != 1){
			System.out.println ("Gimme the right arguments!");
			return;
		}
		File f = new File(args[0]);
		int testcases, A, B;
		ArrayList <Integer> values = new ArrayList <Integer>();
		
	
		

		try{
			BufferedReader in = new BufferedReader (new FileReader(f));
			String s;
			testcases = Integer.parseInt(in.readLine());
			for (int i = 1; i<=testcases; i++){
				String temp [] = in.readLine().split(" ");
				A = Integer.parseInt(temp[0]);
				B = Integer.parseInt(temp[1]);
				int count = 0;
				for (int j=A; j<=B; j++){
					ArrayList <Integer> v = new ArrayList <Integer> ();
					v.add(j);
					String number = Integer.toString(j);
					int val;
					for (int k=0; k<number.length(); k++){
						number = shuffle(number);
						val = Integer.parseInt(number);
						if (j <= val && val <= B && !(v.contains(val))){
							count++;
							v.add(val);
						}
					}
					
					
					
				}
				
				System.out.printf ("Case #%d: %d\n", i, count );
				
				
			


			}
		}
			//while ((s = in.readLine()) != null){

			//}

		
		catch (IOException e){

		}
	}
	
	public static String shuffle (String s){
		String shuffled = "";
		for (int i = 1; i<s.length(); i++){
			shuffled += s.charAt(i); 
		}
		shuffled += s.charAt(0);
		return shuffled;
	}

}
