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();
		}


	}

}

package qualification;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;

public class ProblemC {

	/**
	 * @param args
	 */
	public static String input = "C-large.in";
	public static HashSet<Integer> testSet;
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		//Scanner in = new Scanner(System.in);
		Scanner in = new Scanner(new FileReader(input));
		int t = in.nextInt();
		PrintWriter out = new PrintWriter(new FileWriter("out"));
		for (int test = 0; test < t; test++) {
			testSet = new HashSet<Integer>();
			int a = in.nextInt();
			int b = in.nextInt();
			int result = 0;
			for(int number = a; number<=b;number++){
				String s = Integer.toString(number);
				int length = s.length();
				if(length<=1){
					continue;
				}
				int bigPow = (int) Math.pow(10, length-1);
				int pow = 1;
				for(int i = s.length()-1; i>=1;i--){
					String partOne = s.substring(i);
					String partTwo = s.substring(0,i);
					int partOneNumber = Integer.parseInt(partOne);
					int partTwoNumber = Integer.parseInt(partTwo);
					int newNumber = partOneNumber*bigPow/pow+partTwoNumber;
					if(newNumber>=a&&newNumber<=b){
						if(newNumber > number){
							result++;
						}
					}
					pow*=10;
				}
				
			}
			out.println("Case #"+(test+1)+": "+result);
			out.flush();
		}
		out.close();
	}

}
