import java.util.Scanner;
import java.io.*;
import java.lang.Math;


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}
package codejam2012;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class QualC {
	public static void main(String[] args) throws FileNotFoundException {
		Scanner in = new Scanner(new FileInputStream(new File("/home/rush/sample-in.txt")));
		PrintWriter out = new PrintWriter(new FileOutputStream("/home/rush/sample-out.txt"));
		
//		Scanner in = new Scanner(System.in);
//		PrintWriter out = new PrintWriter(System.out);
		int t = in.nextInt();
		
		
		Map<Integer, Integer> count = new HashMap<Integer, Integer>();
		for (int i = 0; i < t; i++) {
			int total = 0;
			
			int s = in.nextInt();
			int e = in.nextInt();
			
			for (int j = s; j <= e; j++) {
				if (count.containsKey(j)) {
					total += count.get(j);
					continue;
				}
				
				String num = j + "";
				int cnt = 0;
				Map<Integer, Boolean> map = new HashMap<Integer, Boolean>();
				for (int k = 1; k < num.length(); k++) {
					String pre = num.substring(0, k);
					String post = num.substring(k);
					String tnum = post + pre;
					int tn = Integer.parseInt(tnum);
					if (j < tn && tn <= e && !map.containsKey(tn)) {
						cnt++;
						total++;
						map.put(tn, true);
					}
				}
				count.put(j, cnt);
			}
			
			out.printf("Case #%d: %d", (i+1), total);
			out.println();
		}
		out.flush();
	}
}
