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 gcj.main;

import gcj.cases.competition.qualification_round_2012.CaseC;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;

public class Main {

	
	public static final void main (String[] args) throws Exception{
//		doTask("taskTeszt0", "/home/dev/LetÃ¶ltÃ©sek/0-teszt-practice.in", "/home/dev/LetÃ¶ltÃ©sek/0-teszt-practice.out", new Case0());
//		doTask("taskSmall0", "/home/dev/LetÃ¶ltÃ©sek/A-small-attempt0.in", "/home/dev/LetÃ¶ltÃ©sek/A-small-attempt0.out", new Case0());
		
//		doTask("taskTesztB", "/home/dev/LetÃ¶ltÃ©sek/B-teszt-practice.in", "/home/dev/LetÃ¶ltÃ©sek/B-teszt-practice.out", new CaseB());
//		doTask("taskSmallB", "/home/dev/LetÃ¶ltÃ©sek/B-small-practice.in", "/home/dev/LetÃ¶ltÃ©sek/B-small-practice.out", new CaseB());
//		doTask("taskLargeB", "/home/dev/LetÃ¶ltÃ©sek/B-large-practice.in", "/home/dev/LetÃ¶ltÃ©sek/B-large-practice.out", new CaseB());
		
//		doTask("taskTesztC", "/home/dev/LetÃ¶ltÃ©sek/C-teszt-practice.in", "/home/dev/LetÃ¶ltÃ©sek/C-teszt-practice.out", new CaseC());
//		doTask("taskSmallC", "/home/dev/LetÃ¶ltÃ©sek/C-small-attempt0.in", "/home/dev/LetÃ¶ltÃ©sek/C-small-attempt0.out", new CaseC());
		doTask("taskLargeC", "/home/dev/LetÃ¶ltÃ©sek/C-large.in", "/home/dev/LetÃ¶ltÃ©sek/C-large.out", new CaseC());
		
		doTask(null, null, null, null); //because i hate the 'never used locally' warning... 
	}

	
	private static final void doTask(String taskID, String inpFilePath, String outFilePath, Case c) throws Exception {
		if(taskID == null) return;
		BufferedReader br = null;
		BufferedWriter bw = null;
		String strLine;
		int caseNum = 0;
		System.out.println(taskID + " strated...");
		try{
			{
				//open files
				br = new BufferedReader(new FileReader(new File(inpFilePath)));
				bw = new BufferedWriter(new FileWriter(new File(outFilePath)));
			}
			{
				//read caseNum value
				if ((strLine = br.readLine()) != null){
					caseNum = Integer.parseInt(strLine);	
				}
				System.out.println("CaseNum: "+caseNum);
			}
			for(int i=0; i<caseNum; i++){			
				System.out.println("\tprocessing Case #: "+(i+1));
				//load case
				c.init(i+1, br);
				//processing case
				c.solve();
				//write to file
				c.generateOutput(bw, i<caseNum-1);
			}
		}catch(Exception e){
			System.out.println(taskID + " failed!");
			e.printStackTrace();
		}finally{
			//end
			if(br!=null) br.close();
			if(bw!=null) bw.close();
			System.out.println(taskID + " finished.");
		}
	}
}
