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();
		}


	}

}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package codejam.qualification.recyclednumbers;

import java.util.HashSet;
import java.util.List;
import java.util.Set;
import util.BaseResolver;
import util.Util;

/**
 *
 * @author bohmd
 */
public class RecycledNumbers extends BaseResolver {

    int cases;

    public static void main(String[] args) throws Exception {
        if (args.length == 0 || args[0].equals("")) {
            throw new Exception("The first parameter must be the input file name without extension.");
        } else {
            new RecycledNumbers(args[0]).resolve();
        }
    }

    public RecycledNumbers(String file) {
        super(file);
    }

    @Override
    protected void executeLine(String line) throws Exception {
        if (getLineNum() == 0) {
            cases = Util.getInt(line);
        } else {
            List<Integer> lineCase = Util.getIntList(line);
            write(resolveCase(lineCase.get(0), lineCase.get(1)));
        }
    }
    
    protected String resolveCase(int min, int max) {
        Set<Pair> pairSet= new HashSet<Pair>();
        for(int i=min; i<=max; i++)
        {
            String n = i+"";
            for(int j=0; j<n.length(); j++)
            {
                String m = n.substring(j)+n.substring(0,j);
                int mInt=Integer.parseInt(m);
                if(mInt>i && mInt<=max)
                {
                    pairSet.add(new Pair(i, mInt));
                }
            }
        }
        return " "+pairSet.size();
    }
    
    private class Pair
    {
        int m;
        int n;

        public Pair(int n, int m) {
            this.m = m;
            this.n = n;
        }

        @Override
        public boolean equals(Object obj) {
            if (obj == null) {
                return false;
            }
            if (getClass() != obj.getClass()) {
                return false;
            }
            final Pair other = (Pair) obj;
            return (this.n == other.n && this.m == other.m) || (this.n == other.m && this.m == other.n);
        }

        @Override
        public int hashCode() {
            int hash = 7;
            hash = 11 * hash + this.m + this.n;
            return hash;
        }
    }
}
