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();
		}


	}

}

// Google Code Jam Qualification Round 2012
// Problem C. Recycled Numbers

import java.util.*;
import java.io.*;

public class RecycledNumbers{
    static String inname = "C-large.in";    // input file name here
    static String outname = "C-large.out";  // output file name here
    public static void main(String[] args){
        try{
            Scanner in = new Scanner(new BufferedReader(new FileReader(inname)));
        	//Scanner in = new Scanner(System.in);
            BufferedWriter out = new BufferedWriter(new FileWriter(outname));
            int t = in.nextInt();
            int a, b;
            for (int cas = 1; cas <= t; cas++){
            	int ans = 0;
            	a = in.nextInt();
            	b = in.nextInt();
                for (int n = a; n < b; n++){
                	String ns = Integer.toString(n);
                	int d = ns.length();
                	int mss[] = new int[d];
                	for(int i = 1; i < d; i++){
                		String ms = ns.substring(i);
                		ms += ns.substring(0,i);
                		int m = Integer.parseInt(ms);
                		mss[i] = m;
                		if (n < m && m > a && m <= b){ 
                			boolean flag = true;
                			for (int j = 0; j < i; j++) 
                				if (m == mss[j]) flag = false;
                			if (flag) ans++;
                		}
                	}
                }
                //System.out.print("Case #" + cas + ": " + ans + "\n");
                out.write("Case #" + cas + ": " + ans + "\n");
            }
            in.close();
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}