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 ru.bobukh.problems;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Comparator;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;

/**
 *
 * @author anton.bobukh
 */
public class ProblemC_RecycledNumbers {
    
    public static class Pair {
        public final int n;
        public final int m;
        
        public Pair(int n, int m) {
            this.n = n;
            this.m = m;       
        }
    }
    
    public static class PairComparator implements Comparator<Pair> {

        @Override
        public int compare(Pair o1, Pair o2) {
            if(o1.m - o2.m != 0)
                return o1.m - o2.m;
            else
                return o1.n - o2.n;
        }
        
    }
    
    public static void main(String[] args) throws IOException {
        
        try (Scanner input = new Scanner(new BufferedReader(new FileReader("C:\\Users\\maggot\\Desktop\\C-small-attempt0.in")))) {
            int T = input.nextInt();
            input.nextLine();
            
            try(PrintWriter output = new PrintWriter("C:\\Users\\maggot\\Desktop\\output.txt")) {
                for(int k = 0; k < T; ++k) {
                    Set<Pair> pairs = new TreeSet<>(new PairComparator());
                    int A = input.nextInt();
                    int B = input.nextInt();
                    
                    int numberOfDigits = 1;
                    int value = A;
                    while((value = value / 10) > 0)
                        ++numberOfDigits;
                    
                    for(int n = A; n <= B; ++n) {
                        for(int power = 0; power < numberOfDigits; ++power) {
                            int m = n % (int)Math.pow(10, power + 1) * (int)Math.pow(10, numberOfDigits - power - 1) + n / (int)Math.pow(10, power + 1);
                            if(n < m && m <= B)
                                pairs.add(new Pair(n, m));
                        }
                    }
                    
                    output.println(String.format("Case #%d: %d", k + 1, pairs.size()));
                }
            }
        }
    }
    
}
