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.util.ArrayList;
import java.util.Arrays;
public class Problem3
{
    public void solve(){
        ReadWriter rw = new ReadWriter();
        ArrayList<String> input = rw.readFile("C-large.in");
        ArrayList<String> ans = new ArrayList<String>();
        int num;
        boolean first = true;
        int count=0;
        for(String s : input){
            if(first){
                num=Integer.parseInt(s);
                first=false;
            }
            else{
                String[] nums = s.split(" ");
                ans.add("Case #"+count+": "+countResults(nums));
            }
            count++;
        }
        rw.writeFile(ans, "output3.txt");
    }
    public int countResults(String[] nums){
        
        int min = Integer.parseInt(nums[0]);
        int max = Integer.parseInt(nums[1]);
        int temp = min;
        int count=0;
        while(temp<max){
            ArrayList<String> checked = new ArrayList<String>();
            String s = ""+temp;
            for(int i = 0;i<s.length();i++){
                if(s.substring(i,i+1).equals("0")){
                    continue;
                }
                String x = s.substring(i,s.length())+s.substring(0,i);
                
                int comp = Integer.parseInt(x);
                if(comp>temp&&comp<=max&&checked.indexOf(""+temp+" "+x)==-1){
                    count++;
                    checked.add(""+temp+" "+x);
                }
            }
            temp++;
        }
        return count;
    }
}
