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 main;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class RecycledNumbers {

	public static void main(String... args) throws NumberFormatException, IOException {
		BufferedReader buffer = new BufferedReader(new InputStreamReader(new FileInputStream(args[0])));
		
		int qtd = Integer.parseInt(buffer.readLine());
		
		List<String> saida = new ArrayList<String>();
		for (int i = 1; i <= qtd; i++) {
			combinacoesFeitas = new HashSet<String>();
			saida.add("Case #" + i + ": " + qtsTemNoIntervalo(buffer.readLine()));
		}
		
		buffer.close();
		
		escrevaNoArquivoASaida("output.txt", saida);
	}

	private static void escrevaNoArquivoASaida(String nomeArquivo, List<String> saida) throws IOException {
		BufferedWriter br = new BufferedWriter(new FileWriter(new File(nomeArquivo)));  
		
		for (String string : saida) {
			br.write(string + "\n");
		}
		  
		br.close(); 
	}
	
	public static int qtsTemNoIntervalo(String linha) {
		String[] valores = linha.split(" ");
		return qtsTemNoIntervalo(Integer.valueOf(valores[0]), Integer.valueOf(valores[1]));
	}
	
	static Set<String> combinacoesFeitas = new HashSet<String>();
	public static int qtsTemNoIntervalo(int inicio, int fim) {
		int tamanhoString = String.valueOf(inicio).length();
		
		int count = 0;
		for (int numeroAtual = inicio; numeroAtual <= fim; numeroAtual++) {
			String numeroAtualString = String.valueOf(numeroAtual);
			
			for(int indiceSubs = 1; indiceSubs < tamanhoString; indiceSubs++) {
				String rabo = numeroAtualString.substring(indiceSubs);
				String cabeca = numeroAtualString.substring(0, indiceSubs);
				
				String novoNumeroString = rabo + cabeca;
				int novoNumero = Integer.valueOf(novoNumeroString);
				novoNumeroString = String.valueOf(novoNumero);
				
				if (inicio <= novoNumero 
					&& numeroAtual < novoNumero 
					&& novoNumero <= fim
					&& numeroAtualString.length() == novoNumeroString.length()
					&& !combinacoesFeitas.contains(numeroAtual + novoNumeroString)) {
					count++;
					combinacoesFeitas.add(numeroAtual + novoNumeroString);
				}
			}
		}

		return count;
	}

}
