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

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

import java.io.*;
import java.util.*;

public class Test_C {
        
    public static void main(String[] args) {
    	try{      
        FileReader fr = new FileReader("D:/codejam/C-small-attempt0.in");
        BufferedReader br = new BufferedReader(fr);
        FileWriter fw = new FileWriter("D:/codejam/C-small-attempt0-out.txt");
        BufferedWriter bw = new BufferedWriter(fw);
        
        long c,a,b;
        int n;
        String line;
        String t[];
        long g[];
        long ans = 0;
        c = Integer.parseInt(br.readLine());
        //c = 1;
        String x,p,m,s,m1="";
                        
        for(int i=1;i<=c;i++) {
        	line = br.readLine();
        	ans = 0;
        	//line = "1111 2222";
        	t = line.split(" ");
        	n = t[0].length();
        	a = Long.parseLong(t[0]);
        	b = Long.parseLong(t[1]);
        	String temp[];
        	boolean oops = false;
        	for(long j=a;j<b;j++) {
        		s = j + "";
        		oops = false;
        		temp = new String[n-1];
        		for(int k=1;k<n;k++) {
        			x="";m="";       
        			//s=j+"";
        			if(s.charAt(k) >= line.charAt(0)){
        				
        			x = s.substring(k);        			
        			m = x + s.substring(0,k);    
        			temp[k-1] = m;
        			for(int y=0;y<k-1;y++)
        				if(m.equals(temp[y]))
        					oops = true;
        					 			
        			if(Long.parseLong(m)<=b && Long.parseLong(m)>j && Long.parseLong(m)>=a && oops == false) {
        				System.out.println(s + "     "+m);
        				ans++;
        			}
        			}       			       					 
        		}
        	}
        	
        	System.out.println("ans = "+ans);
        	String res = "Case #"+i+": "+ans;
        	bw.write(res,0,res.length());
        	bw.flush();
        	bw.newLine();
        }
        }
    	catch(Exception e){}
    }
}
