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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.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;

public class Recycle {

	static PrintStream O = System.out;

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try {
			long initTime = System.currentTimeMillis();
			PrintWriter out = new PrintWriter(new FileWriter("C.out"));
			BufferedReader in = new BufferedReader(new FileReader("C-small-attempt0.in"));
			int cases = Integer.parseInt(in.readLine());
			for (int kase = 0; kase < cases; kase++){
				String input = in.readLine();
				int A = Integer.parseInt(input.split(" ")[0]);
				int B = Integer.parseInt(input.split(" ")[1]);
				out.println("Case #" + (kase + 1) + ": " + count(A, B));
			}
			//O.println(System.currentTimeMillis() - initTime);
			out.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	static int count (int A, int B){
		Set<Long> set = new TreeSet<Long>();
		int count = 0;
		char cA = Integer.toString(A).charAt(0);
		char cB = Integer.toString(B).charAt(0);
		for (long i = A; i < B; i++){
			String s = Integer.toString((int)i);
			long newN;
			for (int j = 1; j < s.length(); j++){
				if (s.charAt(j) >= cA && s.charAt(j) <= cB){
					String tmp = s.substring(j) + s.substring(0,j);
					newN = Integer.parseInt(tmp);
					if (newN != i && newN >= A && newN <= B){
						set.add(i << 21 | newN);
						set.add(newN << 21 | i);
					}
				}
			}
		}
		return set.size() / 2;
	}
}
