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 recycled;

import java.util.List;
import java.util.Set;

import util.ListFactory;
import util.SetFactory;
import file.Input;
import file.Output;

public class Recycled {

	public void start() {
		List<String> inputLines = Input.getLines();
		if (inputLines.size() > 0) {
			List<String> outputLines = ListFactory.newArrayListInstance();
			int t = Integer.parseInt(inputLines.get(0));
			for (int i = 1; i <= t; i++) {
				String[] parts = inputLines.get(i).split(" ");
				int a = Integer.parseInt(parts[0]);
				int b = Integer.parseInt(parts[1]);
				outputLines.add("Case #" + i + ": " + getNumber(a, b));
			}
			Output.writeLines(outputLines);
		}
	}

	private int getNumber(int a, int b) {
		Set<Pair> set = SetFactory.newHashSetInstance();
		if (a <= b) {
			for (int n = a; n <= b; n++) {
				int length = getLength(n);
				for (int i = 0; i < length - 1; i++) {
					int m = moveRight(n, i + 1);
					if (n < m && m <= b) {
						set.add(new Pair(n, m));
					}
				}
			}
		}
		return set.size();
	}

	private int getLength(int number) {
		int length = 0;
		if (number >= 0 && number <= 9) {
			length = 1;
		} else if (number >= 10 && number <= 99) {
			length = 2;
		} else if (number >= 100 && number <= 999) {
			length = 3;
		} else if (number >= 1000 && number <= 9999) {
			length = 4;
		} else if (number >= 10000 && number <= 99999) {
			length = 5;
		}
		return length;
	}

	private int moveRight(int n, int times) {
		String number = String.valueOf(n);
		for (int i = 0; i < times; i++) {
			int length = number.length();
			number = number.substring(length - 1, length)
					+ number.substring(0, length - 1);
		}
		return Integer.parseInt(number);
	}

	public static void main(String[] args) {
		new Recycled().start();
	}

}
