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 gcj2012;

import java.io.FileInputStream;
import java.io.PrintStream;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;

public class C {

	public static void main(String[] args) throws Exception {
		new C().run();
	}

	void run() throws Exception {
		Scanner in = new Scanner(System.in);
		in = new Scanner(new FileInputStream("C-small-attempt0.in"));
		in = new Scanner(new FileInputStream("C-large.in"));
		PrintStream out = System.out;
		out = new PrintStream("C-small-attempt0.out");
		out = new PrintStream("C-large.out");

		int T = in.nextInt();
		for (int x = 1; x <= T; x++) {
			int A = in.nextInt();
			int B = in.nextInt();
			out.printf("Case #%d: %d\n", x, countRecycled(A, B));
		}

	}

	private int countRecycled(int a, int b) {
		int res = 0;
		int p0 = 1;
		while (p0 < b)
			p0 *= 10;
		for (int s = a; s <= b; s++)
			res += countRecycledStartingBy(a, b, s, p0);
		return res;
	}

	private int countRecycledStartingBy(int a, int b, int s, int p0) {
		int p = 1;
		Set<Integer> recs = new TreeSet<Integer>();
		while (p < 1000000) {
			int end = s % p;
			int beg = s / p;
			int rec = end * p0 + beg;
			if (rec >= a && rec <= b && rec != s && s < rec) recs.add(rec);
			p *= 10;
			p0 /= 10;
		}
		return recs.size();
	}

}
