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 qual1;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.StringTokenizer;

public class C {
	public static void main(String[] args) throws IOException {
		// Use BufferedReader rather than RandomAccessFile; it's much faster
		BufferedReader f = new BufferedReader(new FileReader("C-large.in"));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("C-large.out")));

		int cases = Integer.parseInt(f.readLine());
		for (int zz = 1; zz <= cases; zz++) {
			StringTokenizer st = new StringTokenizer(f.readLine());
			int a = Integer.parseInt(st.nextToken());
			int b = Integer.parseInt(st.nextToken());
			
			int[] list = new int[b-a+1];
			for (int i=a; i<=b; i++) {
				list[i-a] = i;
			}
			
			HashMap<Integer,ArrayList<Integer>> dump = new HashMap<Integer, ArrayList<Integer>>();
			
			long ans = 0;
			for (int i=a; i<=b; i++)  {
				if (list[i-a]==0)
					continue;
				String x = i+"";
				ArrayList<Integer> xzc = new ArrayList<Integer>();
				for (int j=1; j<x.length(); j++) {
					int t1 = (int) (i%(Math.pow(10,j)));
					int tx = (int) (t1*(Math.pow(10,(x.length()-j))));
					int t2 = (int) (tx + i/(Math.pow(10,j)));
					if (t2==i)
						continue;
					if (t2>=a && t2<=b) {
						if (list[t2-a]==0) {
							continue;
						}
						list[t2-a] = 0;
						xzc.add(t2);
					}
				}
				dump.put(i, xzc);
			}
			
			for (int key : dump.keySet()) {
				ArrayList<Integer> xzc = dump.get(key);
				if (xzc.isEmpty())
					continue;
				//Collections.sort(xzc);
				//System.out.println(key+" : "+xzc);
				if (xzc.size()==1)
					ans++;
				else
					ans+= ((xzc.size()+1)*(xzc.size())/2);
					
			}
			System.out.println("Case #" + zz + ": "+ans);
			
			out.println("Case #" + zz + ": "+ans);
		}

		out.close(); // close the output file
		System.exit(0); // don't omit this!
	}

}