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

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

package mgg.utils;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;

/**
 * @author manolo
 * @date 13/04/12
 */
public class CombinatoryUtils {

	public static List<Integer> findAddingCombination(int total, 
			List<Integer> listOfNumbers) {

		ArrayList<Integer> solution = new ArrayList<Integer>();

		for (int i = 0; i < listOfNumbers.size(); i++){
			for (int j = 0; j < listOfNumbers.size(); j++){

				if( (i != j) &&
						(listOfNumbers.get(i) + listOfNumbers.get(j) == total) ){
					solution.add(listOfNumbers.get(i));
					solution.add(listOfNumbers.get(j));
					return solution;
				}

			}
		}
		return null;
	}

	public static List<Integer> findAddingCombinationIndices(int total, 
			List<Integer> listOfNumbers) {

		ArrayList<Integer> solution = new ArrayList<Integer>();

		for (int i = 0; i < listOfNumbers.size(); i++){
			for (int j = 0; j < listOfNumbers.size(); j++){

				if( (i != j) &&
						(listOfNumbers.get(i) + listOfNumbers.get(j) == total) ){
					solution.add(i);
					solution.add(j);
					return solution;
				}

			}
		}
		return null;
	}

	public static List<Integer> findAddingCombinationIndicesBase1(int total, 
			List<Integer> listOfNumbers) {

		ArrayList<Integer> solution = new ArrayList<Integer>();

		for (int i = 0; i < listOfNumbers.size(); i++){
			for (int j = 0; j < listOfNumbers.size(); j++){

				if( (i != j) &&
						(listOfNumbers.get(i) + listOfNumbers.get(j) == total) ){
					solution.add(i+1);
					solution.add(j+1);
					return solution;
				}

			}
		}
		return null;
	}

	public static List<Triplet> possibleTriplets(int score) {
		List<Triplet> listOfTriplets = new ArrayList<Triplet>();
		
		for(Triplet t : allPossibleTriplets){
			if(t.sum() == score){
				listOfTriplets.add(t);
			}
		}
		
		return listOfTriplets;
	}
	
	private final static List<Triplet> allPossibleTriplets = allPossibleTriplets();
	
	private static List<Triplet> allPossibleTriplets() {

		HashSet<Triplet> set = new HashSet<Triplet>();
		
//		int cont = 0;
		for (int i = 0; i <= 10; i++) {
			for (int j = 0; j <= 10; j++) {
				if(Math.abs(i-j) <= 2){
					for (int k = 0; k <= 10; k++) {
						if((Math.abs(i-k) <= 2) && (Math.abs(j-k) <= 2)){
//							cont++;
//							System.out.println("(" + i + ", " + j + ", " + k + ")\t\tcont = " + cont);7
							set.add(new Triplet(i, j, k));
							
						}
					}
				}
			}	
		}
		
		return new ArrayList<Triplet>(set);

	}

}
