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 codejam;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {

		String fileName = "RecycledNumbers.large.txt";
		System.setIn(new FileInputStream("data/input/" + fileName));
		System.setOut(new PrintStream(new FileOutputStream("data/output/"
				+ fileName)));
		
		Scanner scanner = new Scanner(System.in);
		int testCases = scanner.nextInt();
		for (int i = 1; i <= testCases; i++) {
			Set<String> result = new HashSet<String>();
			int a = scanner.nextInt();
			int b = scanner.nextInt();
			for (int j = a; j <= b; j++) {
				String n = String.valueOf(j);
				if (n.length() > 0) {
					for (int x = n.length() - 1; x > 0; x--) {
						String m = n.substring(x) + n.substring(0, x);
						if (!m.startsWith("0") && Integer.valueOf(n) >= a
								&& Integer.valueOf(n) < Integer.valueOf(m)
								&& Integer.parseInt(m) <= b) {
							result.add(n + "," + m);
						}
						// System.out.println(n + "," + m + "_countOfResult:"
						// + result.size());
					}
				}
			}
			System.out.println("Case #" + i + ": " + result.size());
		}

	}

}
