import java.util.HashSet;
import java.util.Scanner;

public class C {

	static HashSet p = new HashSet();
	static int low;
	static int high;
	int count = 0;

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int no = sc.nextInt();

		for (int i = 1; i <= no; i++) {

			p.clear();
			low = sc.nextInt();
			high = sc.nextInt();

			for (int l = low; l <= high; l++) {
				recycle(l);
			}
			System.out.println("Case #" + i + ": " + p.size());

		}
	}

	public static void recycle(int no) {

		String s = Integer.toString(no);
		for (int i = 0; i < s.length(); i++) {
			String rec = s.substring(i) + s.substring(0, i);
			int r = Integer.parseInt(rec);
			if (r != no && r >= low && r <= high) {
				int min = Math.min(r, no);
				int max = Math.max(r, no);
				String a = Integer.toString(min) + "" + Integer.toString(max);
				p.add(a);

			}
		}

	}
}

package gcj2012qual;

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

public class RecycleNum {

	/**
	 * @param args
	 */
	
	HashMap<String, String> map = new HashMap<String, String>();
	
	int totalpair(int start, int end){
		int num = 0;
		
		for(int i = start; i <= end; i++){
			String s = String.valueOf(i);
			//System.out.println(s);
			for(int j = 1; j < s.length(); j++){
				String recycle = s.substring(j) + s.substring(0, j);
				//System.out.println(recycle + " " + recycle.length());
				//System.out.println("hh" + i + " " + j);
				if(recycle.charAt(0) != '0'){
					//int new_num = Integer.getInteger(recycle);
					Integer new_num = new Integer(recycle);
					if(new_num <= end && new_num >= start && new_num != i) {
						//map.put(recycle, s);
						num = num + 1;
					}
				}	
			}
		}
		return num / 2;
	}
	public static void main(String[] args) throws Exception{
		// TODO Auto-generated method stub

		Scanner input = new Scanner(new File("C-large.in"));
		PrintWriter output = new PrintWriter(new FileWriter("output"));
		
		RecycleNum recyclenum = new RecycleNum();
		
		// Scanner in = new Scanner(System.in);
		int case_num = input.nextInt();
		String word = input.nextLine();
					
		for(int i = 0; i < case_num; i++){
			int start = input.nextInt();
			int end = input.nextInt();	
			System.out.println(start + " " + end);
			output.println("Case #" + (i + 1) + ": " + recyclenum.totalpair(start, end));
		}
		
		input.close();
		output.flush();
		output.close();
	}

}
