import java.util.HashSet;
import java.util.Scanner;

public class C {

	static HashSet p = new HashSet();
	static int low;
	static int high;
	int count = 0;

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int no = sc.nextInt();

		for (int i = 1; i <= no; i++) {

			p.clear();
			low = sc.nextInt();
			high = sc.nextInt();

			for (int l = low; l <= high; l++) {
				recycle(l);
			}
			System.out.println("Case #" + i + ": " + p.size());

		}
	}

	public static void recycle(int no) {

		String s = Integer.toString(no);
		for (int i = 0; i < s.length(); i++) {
			String rec = s.substring(i) + s.substring(0, i);
			int r = Integer.parseInt(rec);
			if (r != no && r >= low && r <= high) {
				int min = Math.min(r, no);
				int max = Math.max(r, no);
				String a = Integer.toString(min) + "" + Integer.toString(max);
				p.add(a);

			}
		}

	}
}

package CD;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Hashtable;

public class RC{
	private int first;
	private int second;
	public RC(int i,int i_s){
		this.first=i;
		this.second=i_s;
	}
	public static  int dist(int mi,int mx){
		Hashtable numbers = new Hashtable();
		if (mx<10){
			return 0;
		}
		for(int i=mi;i<=mx;i++){
			String s=Integer.toString(i);
			for(int e=s.length()-1;e>0;e--){
				String new_s=s.substring(e, s.length())+s.substring(0, e);
				int i_s=Integer.parseInt(new_s);
				if (i_s<=mx && i_s!=i && i_s>=mi){
					String c=Integer.toString(i_s)+Integer.toString(i);
					String b=Integer.toString(i)+Integer.toString(i_s);
					if (!(has(numbers,c)) && !(has(numbers,b))){
						numbers.put(c, 0);
					}
				}
			}
		}
		return numbers.size();
	}
	public static  boolean has(Hashtable numbers,String c){
			if (numbers.get(c)==null){
				return false;
			}
			return true;
	}
	public static void main(String[] args) throws IOException{
		int a=dist(1111,3333);
		System.out.println(Integer.toString(a));
	}
}