package codejam;

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

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;


public class recycle {
	static int A=1111;
	static int B=2222;
	static int counter=0;
	static int cases=0;
	public static void main(String args[]) throws NumberFormatException, IOException{
		String temp,temp1[];
		FileReader in=new FileReader(new File("in"));
		BufferedReader br=new BufferedReader(in);
		FileOutputStream out=new FileOutputStream("out"); 
		cases=Integer.parseInt(br.readLine());
		for(int k=0;k<cases;k++){
			counter=0;
			temp=br.readLine();
			temp1=temp.split(" ");
			A=Integer.parseInt(temp1[0]);
			B=Integer.parseInt(temp1[1]);
		for(int i=A;i<B;i++)
			for(int j=i+1;j<=B;j++)
			{
				if(isRecycled(i,j))
					counter++;
			}
			out.write(("Case #"+(k+1)+": "+counter+"\n").getBytes());
		}
		System.out.println("\nans"+counter);
	}
	static boolean isRecycled(int n,int m){
		String ns=new Integer(n).toString();
		String ms=new Integer(m).toString();
		String temp;
		if(ns.length()==ms.length()){
		
			for(int i=0;i<ns.length();i++){
				temp=ns.substring(i)+ns.substring(0,i);
				if(temp.equals(ms))
					return true;
			}
		}
		return false;
	}
}
