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 jp.funnything.competition.util;

import java.util.Iterator;

/**
 * Do NOT change the element in iteration
 */
public class Combination implements Iterable< int[] > , Iterator< int[] > {
    private final int _n;
    private final int _k;
    private int[] _data;

    public Combination( final int n , final int k ) {
        if ( k < 0 || k > n ) {
            throw new IllegalArgumentException();
        }

        _n = n;
        _k = k;
    }

    @Override
    public boolean hasNext() {
        return _data == null || _data.length > 0 && _data[ 0 ] < _n - _k;
    }

    @Override
    public Iterator< int[] > iterator() {
        return this;
    }

    @Override
    public int[] next() {
        if ( _data == null ) {
            _data = new int[ _k ];
            for ( int index = 0 ; index < _k ; index++ ) {
                _data[ index ] = index;
            }
        } else {
            int i = 0;

            while ( i < _k - 1 && _data[ i + 1 ] == _data[ i ] + 1 ) {
                _data[ i ] = i++;
            }

            _data[ i ]++;
        }

        return _data;
    }

    @Override
    public void remove() {
    }
}
