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.awt.datatransfer.*;
import java.awt.Toolkit;
public class Repeat
{
    private static String inp;
    public Repeat()
    {
        
    }

    public static void main(String[] args)
    {
        Transferable temp = (Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null));
        try {
            inp = (String) temp.getTransferData(DataFlavor.stringFlavor);
        }
        catch (Exception e)
        {
            System.out.println(e);
        }
        System.out.println(inp);
        
        System.out.println("Breakdown >" + inp.substring(inp.indexOf("\n")));
        //int iterations = Integer.parseInt(inp.substring(inp.indexOf("\n")));
        String[] newlineSplit = inp.split("\n");
        int iterations = Integer.parseInt(newlineSplit[0]);
        System.out.println(iterations);
        System.out.println("Solutions:\n\n\n\n");
        //String cases = inp.substring(inp.indexOf("\n"));
        for(int i = 1; i < newlineSplit.length;i++)
        {
            String[] nums = newlineSplit[i].split(" ");
            
           getCount(Integer.parseInt(nums[0]) ,Integer.parseInt(nums[1]), i);
        }
    }
    
    public static void getCount(int a, int b, int caseNum)
    {
        int count = 0;
        while(a <= b)
        {
            String sA = "" + a;
            String sB = "" + b;
            //System.out.println(sA + "   " + sB);
            for(int i = 0; i < sA.length();i++)
            {
                String temp = sA.substring(sA.length() - i-1) + sA.substring(0,sA.length() - i - 1);
                int iT = Integer.parseInt(temp);
                int iA = Integer.parseInt(sA);
                
                //System.out.println(">>[" + temp + "]    " + (iT - iA) );
                if(iT - iA > 0 && iT <= b)
                {
                    count++;
                    //System.out.println(">>>>>>> " + sA + " " + temp + "    " + (iT - iA));
                } 
                //else
                    //System.out.println(">>[" + temp + "]    " + (iT - iA) );
            }
            a++;
        }
        System.out.println("Case #" + caseNum + ": " + count);
        
    }
}
