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 blacky.codejam.qualifications;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

public class RecycledNumbers {

	private static class Pair {
		
		final public int m;
		
		final public int n;
		
		public Pair(int m, int n) {
			this.m = m;
			this.n = n;
		}
		
		public boolean equals(Object other) {
			return ((Pair)other).m == this.m && ((Pair)other).n == this.n;
		}
		
		public String toString() {
			return String.format("(%d,%d)", this.m, this.n);
		}
		
		public int hashCode() {
			return this.m * 31 + n;
		}
		
	}
	
	public static void main(String args[]) throws Exception {
		BufferedReader reader = new BufferedReader(new FileReader(new File(args[0])));
		int numberOfTestCases = Integer.parseInt(reader.readLine());
		for(int i = 0; i < numberOfTestCases; i++) {
			String numbers[] = reader.readLine().split(" ");
			Set<Pair> pairs = new HashSet<Pair>();
			int a = Integer.parseInt(numbers[0]);
			int b = Integer.parseInt(numbers[1]);
			for(int j = a; j < b; j++) {
				String jAsString = Integer.toString(j);
				int recycledNumbers[] = new int[jAsString.length()];
				recycledNumbers[0] = j;
				for(int k = 1; k < jAsString.length(); k++) {
					int offset = jAsString.length() - k;
					String currentRecNum = jAsString.substring(offset).concat(jAsString.substring(0, offset));
					recycledNumbers[k] = Integer.parseInt(currentRecNum);
				}
				Arrays.sort(recycledNumbers);
				for(int k = 0; k < recycledNumbers.length - 1; k++) {
					if(!(a <= recycledNumbers[k] && recycledNumbers[k] <= b)) continue;
					for(int l = k + 1; l < recycledNumbers.length; l++) {
						if(!(a <= recycledNumbers[l] && recycledNumbers[l] <= b)) continue;
						if(recycledNumbers[l] == recycledNumbers[k]) continue;
						pairs.add(new Pair(recycledNumbers[k], recycledNumbers[l]));
					}
				}
			}
			System.out.println(String.format("Case #%d: %d", i + 1, pairs.size()));
		}
	}
	
}
