import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class CopyOfCopyOfMain {

	static int ndigits(int n) {
		return (int) (Math.log10(n) + 1);
	}

	static int rot(int n, int dig) {
		return (int) ((n % 10) * Math.pow(10, dig - 1)) + (int) (n / 10);
	}

	public static void main(String[] args) throws FileNotFoundException {
		String file = "C-large";
		Scanner in = new Scanner(new File(file + ".in"));
		PrintWriter out = new PrintWriter(new File(file + ".out"));

		int T = in.nextInt();
		for (int t = 1; t <= T; t++) {
			int A = in.nextInt();
			int B = in.nextInt();

			int c = 0;
			int[] list = new int[ndigits(B)];
			numbers: for (int i = A; i <= B; i++) {
				int digs = ndigits(i);
				int rot = i;
				int pairs = 0;

				Arrays.fill(list, -1);
				list[0] = i;

				digits: for (int j = 1; j <= digs + 1; j++) {

					rot = rot(rot, digs);
					if(rot < i)
						continue;

					if (A <= rot && rot <= B) {
						for (int k = 0; k < j; k++) {
							if (list[k] == rot) {
								continue digits;
							}
						}
						pairs++;
						list[j] = rot;
					}
				}

				//c += pairs * (pairs + 1) / 2;
				c += pairs ;
				// c+=digs;
			}
			out.println("Case #" + t + ": " + c);
		}

		in.close();
		out.close();
	}
}

package com.google.codejam;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class ProblemB {

	/**
	 * @param args
	 */
	
	public void calculate(int numTestCase, int a, int b){
		
			int count = 0 ;
			if(b<10 || a==b)
				count = 0; 
			
			else{
				for ( int i=a ; i <= b; i++){
					String num = String.valueOf(i);
				    String correctNum = String.valueOf(i);
				
					String finalStr ="" ;
					while(!correctNum.equals(finalStr)){
						String first = num.substring(0,1);
						String rest = num.substring(1);
						 finalStr = rest+first ;
							num = finalStr ;
						 if(finalStr.startsWith("0") || first.equals(rest))
							 continue;
						int num2 = Integer.parseInt(finalStr);
						if(num2<=b && num2!=i && i<num2)
							count ++ ; 
					
					}
				}
			}
			
			System.out.println("Case #"+(numTestCase)+": "+(count));
		
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		ProblemB b = new ProblemB();
		//b.calculate(1,17,79);
		b.fileRead(b);
	}

	public void fileRead(ProblemB bb){
		 FileInputStream fstream;
			try {
				fstream = new FileInputStream("D:\\1.txt");
				 DataInputStream in = new DataInputStream(fstream);
				    BufferedReader br = new BufferedReader(new InputStreamReader(in));
				    String strLine;
				    //Read File Line By Line
					int testCase =0 ;
				    while ((strLine = br.readLine()) != null)   {
				    // Print the content on the console
				    	 testCase = Integer.parseInt(strLine);
						 
				    	for(int i = 0 ; i < testCase ; i++){
							String line = br.readLine() ;
							String[]array = line.split(" ");
							int a = Integer.parseInt(array[0]);
							int b = Integer.parseInt(array[1]);
							bb.calculate(1+i ,a ,b);
				    	}
						
				    }
					
				    
				   in.close() ;
				  
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		    // Get the object of DataInputStream
			catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		   
	 }
}
