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 com.bd.codejam.y2012;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

class C {
	public void solve() throws IOException {
		Scanner in = new Scanner(new File(getClass().getSimpleName() + ".in.txt"));
		PrintWriter out = new PrintWriter(new File(getClass().getSimpleName() + ".out.txt"));

		int T = Integer.parseInt(in.nextLine());
		for (int t = 0; t < T; t++) {
			int A = in.nextInt();
			int B = in.nextInt();
			int result = solve(A, B);
			
			out.println("Case #" + (t + 1) + ": " + result);
			System.out.println("Case #" + (t + 1) + ": " + result);
		}

		in.close();
		out.close();
	}
	
	private int solve(int A, int B) {
		line = 1;
		int r = 0;
		for (int n = A; n < B; n++) {
			r += recycledPairs(n, B);
		}
		
		return r;
	}
	
	int line = 1;
	private int recycledPairs(int n, int max) {
		int r = 0;
		for (int pair : recycledPairs(n)) {
			if (n < pair && pair <= max) {
				r++;
				//System.out.println((line++) + ": " + n + " " + pair);
			}
		}
		return r;
		
		
	}
	
	private List<Integer> recycledPairs(int n) {
		String s = Integer.toString(n);
		
		List<Integer> r = new ArrayList<Integer>(s.length()-1);
		for (int i = 1; i < s.length(); i++) {
			String shift = shift(s, i);
			if (shift.charAt(0) != '0') {
				int shifti = Integer.parseInt(shift);
				if (!r.contains(shifti)) {
					r.add(shifti);
				}
			}
		}
		return r;
	}
	
	private String shift(String s, int n) {
		char[] c = new char[s.length()];
		for (int i = 0; i < s.length(); i++) {
			c[i] = s.charAt(((i+(s.length()-n))%s.length()));
		}
		
		return new String(c);
	}
	
	

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