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package year_2012.qualification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author paul
 * @date 14 Apr 2012
 */
public class QuestionC {

    private static Set<Integer> getCycle(int x) {

        String s = Integer.toString(x);
        Set<Integer> set = new HashSet<Integer>();
        set.add(x);
        for (int c = 1; c < s.length(); c++) {
            String t = s.substring(c).concat(s.substring(0, c));
            set.add(Integer.parseInt(t));
        }
        return set;
        
    }

    private static Set<Integer> mask(Set<Integer> set, int a, int b) {
        Set<Integer> result = new HashSet<Integer>();

        for (int x : set) {
            if (x >= a && x <= b) {
                result.add(x);
            }
        }
        
        return result;

    }


    public static void main(String[] args) throws FileNotFoundException, IOException {

        String question = "C";

//        String name = "large";
        String name = "small-attempt0";
//        String name = "test";

        String filename = String.format("%s-%s", question, name);

        BufferedReader input = new BufferedReader(
                new FileReader(String.format("/home/paul/Documents/code-jam/2012/qualification/%s.in",
                filename)));

        String firstLine = input.readLine();

        PrintWriter pw = new PrintWriter(new File(
                String.format("/home/paul/Documents/code-jam/2012/qualification/%s.out", filename)));


        int T = Integer.parseInt(firstLine);

        // Loop through test cases.
        for (int i = 0; i < T; i++) {

//             Read data.
            String[] tokens = input.readLine().split(" ");

//            int N = Integer.parseInt(input.readLine());

            int A = Integer.parseInt(tokens[0]);
            int B = Integer.parseInt(tokens[1]);

//            System.out.format("%d, %d\n", A, B);

            boolean[] used = new boolean[B+1];
            int total = 0;
            for (int n = A; n <= B; n++) {
                if (!used[n]) {
                    Set<Integer> set = mask(getCycle(n), A, B);
                    int k = set.size();
                    total += (k * (k-1))/2;
                    for (int m : set) {
                        used[m] = true;
                    }
                }
            }

            pw.format("Case #%d: %d\n", i + 1, total);
        }

        pw.close();

    }

}

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class ProblemC {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		
		List<Integer>[] l = genRecycled();
		
		for(int i = 0; i < T; i++){
			int c = processCase(sc, l);
			
			System.out.println("Case #" + (i+1) + ": " + c);
		}
	}
	
	public static List<Integer>[] genRecycled(){
		// gen all the possible ms for a given n
		List<Integer>[] rec = new List[1001];
		
		int cmp;
		
		// generate a load of blank lists
		for(int i = 0; i < rec.length; i++){
			// if(i % 10000 == 0) System.out.println("hi " + i);
			rec[i] = new ArrayList<Integer>();
			
			String n = Integer.toString(i);
			String m = rotate(n);
			
			// detect when back to the first
			while(!m.equals(n)){
				
				// no leading zeros
				if(m.charAt(0) != '0'){
					// find the numeric value
					cmp = Integer.parseInt(m);
					
					// number can't be greater than the max
					// and also has to be greater than n
					if(cmp < rec.length && cmp > i){
						// add it to the list of possibles
						rec[i].add(cmp);
					}
				}
				
				m = rotate(m);
			}
		}

		return rec;
	}
	
	public static String rotate(String s){
		return s.substring(1) + s.charAt(0);
	}
	
	public static int processCase(Scanner sc, List<Integer>[] l){
		int a = sc.nextInt();
		int b = sc.nextInt();
		int count = 0;
		
		// loop through the range
		for(int i = a; i < b; i++){
			List<Integer> li = l[i];
			
			// find the pre-calculated things
			for(Integer el : li){
				// if m is less than or equal to B, count it
				if(el <= b) count++;
			}
		}
		
		return count;
	}

}
