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.File;
import java.io.FileWriter;
import java.util.Scanner;
import java.util.TreeMap;
import java.util.TreeSet;


public class Recycled {
	private File file = new File("D:\\Sources\\GoogleCodeJam\\files\\C-large.in");
	private File outFile = new File("D:\\Sources\\GoogleCodeJam\\files\\result.out");
	
	private Long[] results;
	private Integer solved = 0;
	
	public void readData() {
		boolean first = true;
		Scanner scanner;
		try {
			scanner = new Scanner(file);
			while (scanner.hasNextLine()) {
				String line = scanner.nextLine();
				Scanner scan = new Scanner(line);
				if (first) {
					results = new Long[scan.nextInt()];
					first = false;
				} else {
					long min = scan.nextLong();
					long max = scan.nextLong();
					results[solved] = solveProblem(min, max);
					solved++;
				}
			}
			printResult();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private Long solveProblem(long min, long max) {
		long sum = 0;
		TreeSet<Double> res = new TreeSet<Double>();
		for (long val = min; val <= max; val++) {
			res.clear();
			String number = String.valueOf(val);
			int len = number.length();
			for (int i = 1; i < number.length(); i++) {
				 String newVal = number.substring(i, len) + number.substring(0, i);
				 long recycled = Long.valueOf(newVal);
				 if(recycled > val && recycled <= max && res.add(val + recycled * Math.pow(10, len))) {
					 sum++;
				 }
			}
		}
		return sum;
	}

	private void printResult() {
		try {
			FileWriter fstream = new FileWriter(outFile);
			BufferedWriter out = new BufferedWriter(fstream);
			for (int i = 0; i < results.length; i++) {
				out.write("Case #" + (i + 1) + ": " + results[i]);
				out.newLine();
			}
			out.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
