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;
	}

}

import java.io.File;
import java.io.FileInputStream;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;


public class RecycledNumbers {

	public static void main(String[] args) {
		try {
			File output = new File("output.txt");
			
			if (output.exists()) {
				output.delete();
			}
			
			PrintWriter pw = new PrintWriter(output);
			
			Scanner s = new Scanner(new FileInputStream("input.txt"));
		
			int T = s.nextInt();
			s.nextLine();
			
			for (int c = 0; c < T; c++) {
				int start = s.nextInt();
				int end = s.nextInt();
				
				int digits = digits(start);
				
				System.out.println(String.format("%d - %d (%d)", start, end, digits));
				
				int found = 0;
				
				for (int n = start; n < end; n++) {
					int m = n;
					HashSet<Integer> pairs = new HashSet<>();
					for (int i = 0; i < digits; i++) {
						m = rotate(m, digits);
						
						if (m <= n) continue;
						
						if (m >= start && m <= end && !pairs.contains(m)) {
							pairs.add(m);
							found++;
							//System.out.println(String.format("%d - %d", n, m));
						}
					}
				}
				
				// 
				

				pw.println(String.format("Case #%d: %d", (c+1), found));
				
				System.out.println(String.format("Found %d numbers", found));
				
				
				System.out.println("---------------------");
			}
			
			// Read inputs and solve here
			
			pw.close();
			
			System.out.println("Done !");
			
			System.out.println(String.format("51234 rotated to %d", rotate(51234, 5)));
		} catch (Exception ex) {
			System.out.println("ERROR");
			System.out.println(ex.getMessage());
			ex.printStackTrace();
		}
	}
	
	private static int digits(int n) {
		int d = 0;
		while (n > 0) {
			n /= 10;
			d++;
		}
		return d;
	}
	
	private static int rotate(int m, int digits) {
		if (digits == 1) return m;
		
		int left = m%10;
		
		m /= 10;
		
		m += left * (int)Math.pow(10, digits-1);
		
		return m;
	}
	
	public RecycledNumbers() {
	}
}
