/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

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.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Arrays;
import java.util.Hashtable;

/**
 * Input
 * @author jiptan
 *
 */

public class SolveC {

	static int isRecycledNum(char[] val, int n, int a, int b) {
		
		int recNum = 0;
		
		for (int i=0; i<val.length - 1; i++) {
			char lastElm = val[val.length - 1];
			System.arraycopy(val, 0, val, 1, val.length - 1);
			val[0] = lastElm;
			// System.out.println(String.valueOf(val));
		
			int shiftVal = Integer.parseInt(String.valueOf(val));
			
			if (shiftVal >= a && shiftVal > n && shiftVal <= b) {
				recNum = recNum + 1;
				
				// System.out.println(n + "  " + shiftVal);
				
			}
		}
		
		return recNum;
	}
	
	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new FileReader(args[0]));
		
		int num = Integer.parseInt(br.readLine());
		
		FileWriter fw = new FileWriter(new File("test"));
		
		StringBuilder sb2 = new StringBuilder();
		
		String[] values = null;
		
		for (int i=1; i<=num; i++) {

			String line = br.readLine();
			
			String[] abPair = line.split(" ");
			
			int a = Integer.parseInt(abPair[0]);
			int b = Integer.parseInt(abPair[1]);
			
			// System.out.println(a + "  " + b);
			
			int recNum = 0;
			for (int j=a; j<=b; j++) {
				
				int tmp = isRecycledNum(String.valueOf(j).toCharArray(), j, a, b);
				
				if (tmp > 0) {
					recNum = recNum + tmp;
				}
			}
			// System.out.println(recNum);
			
			String output = String.format("Case #%d: %d", i, recNum);
			sb2.append(output + "\n");
		}
		fw.write(sb2.toString());
		fw.close();
	}
}