import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

package bchang;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;

/**
 * Created with IntelliJ IDEA.
 * User: bchang
 * Date: 4/14/12
 * Time: 9:48 PM
 * To change this template use File | Settings | File Templates.
 */
public class ProblemC {
    private static void cycle(char[] charArray) {
        char first = charArray[0];
        for (int i = 1; i < charArray.length; i++) {
            charArray[i - 1] = charArray[i];
        }
        charArray[charArray.length - 1] = first;
    }

    private static Set<String> toSet(int a, int b) {
        Set<String> set = new HashSet<String>();
        for (int x = a; x <= b; x++) {
            set.add(Integer.toString(x));
        }
        return set;
    }

    private static int combos(int n) {
        if (n == 1) {
            return 1;
        }
        return n + combos(n-1);
    }

    private static int process(BufferedReader reader) throws IOException {
        String[] pair = reader.readLine().split(" ");
        int a = Integer.parseInt(pair[0]);
        int b = Integer.parseInt(pair[1]);
        Set<String> set = toSet(a, b);
        int counter = 0;
        while (set.size() > 0) {
            Iterator<String> iterator = set.iterator();
            String n = iterator.next();
            iterator.remove();
            char[] working = n.toCharArray();
            Set<Integer> matchingPairs = new HashSet<Integer>();
            for (int idx = 1; idx < working.length; idx++) {
                cycle(working);
                String mStr = new String(working);
                int mInt = Integer.parseInt(mStr);

                if (a <= mInt && mInt <= b && !n.equals(mStr) && mStr.charAt(0) != '0') {
                    set.remove(mStr);
                    matchingPairs.add(mInt);
                }
            }
            if (matchingPairs.size() > 0) {
                int numPairs = combos(matchingPairs.size());
                counter += numPairs;
            }
        }
        return counter;
    }

    public static void main(String[] args) throws Exception {
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(new InputStreamReader(System.in));
            int t = Integer.parseInt(reader.readLine());
            for (int i = 0; i < t; i++) {
                int result = process(reader);
                System.out.println("Case #" + (i + 1) + ": " + result);
            }
        }
        finally {
            if (reader != null) {
                try {
                    reader.close();
                }
                catch (IOException e) {
                }
            }
        }

    }
}
