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 RecycledNumbers;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class RecycledNumbers {

	public static int numCase = 0;
	public static int A = 0;
	public static int B = 0;
	
	public static void main(String[] args) throws NumberFormatException, IOException {
		
		process();		
	}
	
	public static void process() throws NumberFormatException, IOException {
		
		BufferedReader br = new BufferedReader(new InputStreamReader(
				new FileInputStream("RecycledNumbers.in")));
		numCase = Integer.parseInt(br.readLine());
		for (int i = 0; i < numCase; i++) {
			String str = br.readLine();
			String[] arr = str.split(" ");
			
			if (arr[0].length() == 1 && arr[1].length() == 1) {
				writeOut(i + 1, 0);
				continue;
			}

			A = Integer.valueOf(arr[0]);
			B = Integer.valueOf(arr[1]);
			
			if (B - A <= 5) {
				writeOut(i + 1, 0);
				continue;
			}
			
			process2(i + 1);
		}
	}
	
	public static void process2(int order) {
				
		//List<Integer> lstB = new ArrayList<Integer>();
		int count = 0;
		for (int n = A; n < B; n++) {
			if (isAllZero(n)) {
				continue;
			}
			for (int m = n + 1; m <= B; m++) {				
				if (!isAllZero(m) && isRecycledNumbers(n, m)) {
					count++;	
					//lstB.add(m);
				}
			}			
		}
		writeOut(order, count);
	}
	
	public static boolean isAllZero(int n) {
		
		int lengthN = String.valueOf(n).length();
		int dec = 1;
		for (int i = 0; i < lengthN - 1; i++) {
			dec *= 10;
		}
		if (n % dec == 0) {
			return true;
		}
		return false;
	}
	
	public static boolean isRecycledNumbers(int n, int m) {
		
		String strN = String.valueOf(n);
		String strM = String.valueOf(m);
		
		int lengthStrN = strN.length();
		for (int i = 1; i < lengthStrN; i++) {
			String prefix = strN.substring(lengthStrN - i, lengthStrN);
			if (!prefix.startsWith("0") && strM.startsWith(prefix)) {
				String t = prefix + strN.substring(0, lengthStrN - i); 
				if (t.equals(strM)) {						
					return true;
				}
			}
		}		
		return false;
	}
	
	public static void writeOut(int order, int result) {
		
		System.out.format("Case #%d: %d\n", order, result);
	}
}
