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.text.*;
import java.io.*;
import java.util.*;
import java.lang.Math;

public class C
{
	public static void main(String[] args) throws Exception
	{
	
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String str;

		int T = Integer.parseInt(br.readLine());
		
		for(int t = 1; t <= T; t++) {
			System.out.print("Case #" + t + ": ");
			
			String[] star = br.readLine().split(" ");
			int A = Integer.parseInt(star[0]);
			int B = Integer.parseInt(star[1]);
			String up = star[1];
			
			int count = 0;
			LinkedList<String> list = new LinkedList<String>();
			for(int i = A; i <= B; i++) {
			
				String current = Integer.toString(i);
				String next = current;
				list.clear();
				for(int a = 0; a < current.length() - 1; a++) {
					next = next.charAt(next.length() - 1) + next.substring(0, next.length() - 1);
					//System.out.println(next);
					if(!list.contains(next)) {
						list.add(next);
						if(current.compareTo(next) < 0 && next.compareTo(up) <= 0) count++;
					}
				}
			
			}
			System.out.println(count);
		}
	}
}