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 knucle.y2012.C;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.HashSet;
import java.util.Set;

public class C {
	
	public static void main(String[] args) throws Exception {
		
		FileReader fr = new FileReader("C-small.in");
		BufferedReader br = new BufferedReader(fr);
		
		BufferedWriter bw = new BufferedWriter(new FileWriter("output.txt"));

		int currentCase = 1;
		int caseNum = Integer.parseInt(br.readLine());
		
		for(currentCase=1; currentCase<=caseNum; currentCase++){
			String line = br.readLine();

			bw.write("Case #");
			bw.write(Integer.toString(currentCase));
			bw.write(": ");
			
			String[] inputs = line.split(" ");
			String minStr = inputs[0];
			int min = Integer.parseInt(minStr);
			int max = Integer.parseInt(inputs[1]);
			
			
			int count = 0;
			
			for(int i=min+1; i<=max; i++){
				String target = Integer.toString(i);
				
				int len = target.length();
				Set<String> possibles = new HashSet<String>();
				for(int splitPos=1; splitPos<len; splitPos++){
					if(target.charAt(splitPos) == '0') continue;
					
					String possible = target.substring(splitPos) + target.substring(0, splitPos);
					if(possible.compareTo(minStr) < 0) continue;
					
					if(possible.compareTo(target) < 0){
						possibles.add(possible);
						
						System.out.println(possible + " " + target);
					}
				}
				
				count += possibles.size();
			}
			
			bw.write(Integer.toString(count));
			
			bw.write('\n');
		}
		
		br.close();
		bw.close();
	}
}
