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 in.co.google.jam;

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

public class Recycled {

	public Recycled() throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(
				new FileInputStream("C:/C-small.in.txt")));
		int numTests = Integer.parseInt(br.readLine());
		for (int i = 0; i < numTests; i++) {
			int result = 0;
			String s = br.readLine();
			String[] numbers = s.split(" ");
			int A = Integer.parseInt(numbers[0]);
			int B = Integer.parseInt(numbers[1]);
			if (A < 10 && B < 10) {
				result = 0;
			} else {
				List<Integer> allNumbers = new ArrayList<Integer>();
				for (int x = A; x <= B; x++) {
					allNumbers.add(x);
				}
				int middle = allNumbers.size() / 2;
				int base = 0;
				int t = A;
				int tester = 1;
				while (t >= 10) {
					t = t / 10;
					base++;
					tester *= 10;
				}

				for (int c = 0; c < allNumbers.size() - 10; c++) {
					for (int d = c + 9; d < allNumbers.size(); d++) {
						int numToTest = allNumbers.get(d);
						for (int b = 0; b < base; b++) {
							numToTest = recycle(numToTest, tester);
							if (allNumbers.get(c) == numToTest) {
								result++;
								break;
							}
						}
					}
				}

			}
			System.out.println("Case #" + (i + 1) + ": " + result);
		}

	}

	private int recycle(int num, int base) {
		int ret = num;
		int t = num;
		ret = ((t % base) * 10) + (t / base);
		return ret;
	}

	public static void main(String[] args) {
		try {
			new Recycled();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}
