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.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;


public class RecycledNumber {
	
//	static HashMap<Integer, ArrayList<Integer>> cache;

	public static void main(String[] args) throws IOException{
		
		String path = "C:\\Users\\Rapol Tongchenchitt\\Documents\\CodeJam\\";
		String year = "Qual2012\\";
		
		String test = "input.txt"; String outPath = "output.txt";
		String a = ""; String A = "";
		String b = ""; String B = "";
		String c = "C-large.in"; String C = "C-large.out";
		String d = ""; String D = "";
		
		String inName = path+year+c;
		String outName = path+year+C;
		
		Scanner in = new Scanner(new FileInputStream(inName));
		BufferedWriter out = new BufferedWriter(new FileWriter(outName));
		
		int caseCount = in.nextInt(); int currentCase = 0;
		
		while(currentCase++ < caseCount){
			
			int minNum = in.nextInt();
			int maxNum = in.nextInt();
			int ans = 0;
			
			for( int i = minNum; i <= maxNum; i++){
				ans += perform(i, minNum, maxNum);
			}
			
			out.write("Case #" + currentCase + ": " + ans);
			out.newLine();
		}
		
		out.close();
		
	}

	private static int perform(int in, int left, int right) throws IOException{
		if(in < 10){
			return 0;
		}
		
		HashSet<Integer> set = new HashSet<Integer>();
		int ans = 0;
		String now = in + "";
		for(int i = 1; i < now.length(); i++){
			if(now.charAt(i) >= now.charAt(0)){
				int shift = Integer.parseInt(now.substring(i) + now.substring(0,i));
				if(shift > in &&  shift <= right && shift >= left && !set.contains(shift)){
					ans++;
					set.add(shift);
				}
				
			}
		}
		
		return ans;
	}

}
