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 qual;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class C {
	
	private Scanner scanner;

	private void solve() throws FileNotFoundException {
		File input = new File("data\\qual\\C-large.in");
		scanner = new Scanner(input);

		File test = new File("data\\qual\\C.out");
		PrintStream out = new PrintStream(new FileOutputStream(test));
		System.setOut(out);

		int testCase = scanner.nextInt();
		scanner.nextLine();

		for (int i = 1; i <= testCase; i++) {
			System.out.printf("Case #%d: ", i);
			solveCase();
		}

	}

	private void solveCase() {
		int[] p10 = {
				1,
				10,
				100,
				1000,
				10000,
				100000,
				1000000,
				10000000,
				100000000,
				1000000000
		};
		
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int len = (a + "").length();
		Set ans = new HashSet();
		for (int i = 1; i < len; i++) {
			for (int prefix = p10[i - 1]; prefix < p10[i]; prefix++) {
				for (int suffix = p10[len - i - 1]; suffix < p10[len - i]; suffix++) {
					int n = prefix * p10[len - i] + suffix;
					int m = suffix * p10[i] + prefix;
					if (a <= n && n < m && m <= b) {
//						System.out.println(prefix + "-" + suffix + " " + n + " " + m);
						ans.add(n + "#" + m);
					}
				}
			}
		}
		System.out.println(ans.size());
	}

	public static void main(String[] args) throws FileNotFoundException {
		new C().solve();
	}

}
