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.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

public class Cj2012_qr_c_java {
  // <Common Declarations>
  // private static final String IN_FILE = "test.in";
  // private static final String IN_FILE = "test_small.in";
  private static final String IN_FILE = "test_large.in";
  private static final String OUT_FILE = IN_FILE + ".out";
  private static final DateFormat DATE_FORMAT = new SimpleDateFormat("HH:mm.ss");

  private static long lBeginTimeMillis;
  private static BufferedReader bufferedReader;
  private static PrintWriter printWriter;

  private static int nNbCases, nIndexCase;

  // </Common Declarations>

  // <Specific Declarations>
  private static int A, B;
  private static long N;

  // </Specific Declarations>

  private static void begin() throws Exception {
    // <Common Commands>
    lBeginTimeMillis = System.currentTimeMillis();
    System.out.println(Cj2012_qr_c_java.class.toString());
    System.out.println("Begin: "
        + DATE_FORMAT.format(new Date(lBeginTimeMillis)) + ".");

    bufferedReader = new BufferedReader(new FileReader(IN_FILE));
    printWriter = new PrintWriter(new BufferedWriter(new FileWriter(OUT_FILE)));
    // </Common Commands>

    // <Specific Commands>
    nNbCases = Integer.parseInt(bufferedReader.readLine());
    // </Specific Commands>
  }

  private static void end() throws Exception {
    // <Specific Commands>
    // ...
    // </Specific Commands>

    // <Common Commands>
    bufferedReader.close();
    printWriter.close();

    long lEndTimeMillis = System.currentTimeMillis();
    System.out.println("End:   " + DATE_FORMAT.format(new Date(lEndTimeMillis))
        + ".");
    System.out.println((lEndTimeMillis - lBeginTimeMillis) + ".");
    // </Common Commands>
  }

  private static void readCase() throws Exception {
    // <Specific Commands>
    StringTokenizer strTokenizer = new StringTokenizer(
        bufferedReader.readLine(), " ");
    String strA = strTokenizer.nextToken();
    String strB = strTokenizer.nextToken();
    A = Integer.parseInt(strA);
    B = Integer.parseInt(strB);
    // </Specific Commands>
  }

  private static void processCase() {
    // <Specific Commands>
    N = 0;
    for (int i = A; i < B; i++) {
      String str = Integer.toString(i);
      Set<Integer> hashset = new HashSet<Integer>();

      for (int j = 1; j < str.length(); j++) {
        String str1 = str.substring(0, str.length() - j);
        String str2 = str.substring(str.length() - j, str.length());
        int n = Integer.parseInt(str2 + str1);
        N += n > i && n <= B && !hashset.contains(n) ? 1 : 0;
        hashset.add(n);
      }
    }
    // </Specific Commands>
  }

  private static void writeCase(int nIndexCase) throws Exception {
    // <Common Commands>
    printWriter.print("Case #");
    printWriter.print(nIndexCase + 1);
    printWriter.print(":");
    // </Common Commands>

    // <Specific Commands>
    printWriter.print(" ");
    printWriter.print(N);
    printWriter.println();
    // </Specific Commands>
  }

  public static void main(String[] args) throws Exception {
    // <Common Commands>
    begin();
    for (nIndexCase = 0; nIndexCase < nNbCases; nIndexCase++) {
      readCase();
      processCase();
      writeCase(nIndexCase);
    }
    end();
    // </Common Commands>
  }
}
