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 com.mademoisellegeek.googlecodejam.y2012.qualround;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.HashMap;

public class RecycledNumbers implements Runnable {

    BufferedReader in;
    BufferedWriter out;
    static String inputFile = "2012-qualround-C-small.in";
    static String outputFile = "2012-qualround-C-small.out";

    public void run() {

        try {
            in = new BufferedReader(new FileReader(inputFile));
            out = new BufferedWriter(new FileWriter(outputFile));
            try {
                String line = in.readLine();
                int nbCases = Integer.parseInt(line);
                for (int i=1; i<=nbCases; i++) {
                    line = in.readLine();
                    String [] lineArray = line.split(" ");
                    int min = Integer.parseInt(lineArray[0]);
                    int max = Integer.parseInt(lineArray[1]);
                    out.write("Case #" + i + ": " + solve(min, max) + "\n");
                }
            } finally {
                in.close();
            }
            out.flush();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private int solve(int min, int max) {
        HashMap recycled = new HashMap();
        for (int i=min; i<=max; i++) {
            for (int j=1; j< nbDigits(i); j++) {
                int result = move(i, j);
                if (result != i && result <= max && result >= min) {
                    int small = Math.min(result, i);
                    int big = Math.max(result, i);
                    if (!recycled.containsKey(small)) {
                        ArrayList empty = new ArrayList();
                        empty.add(big);
                        recycled.put(small,empty);
                    }
                    else {
                        ArrayList list = (ArrayList) recycled.get(small);
                        if (!list.contains(big))
                            list.add(big);
                        recycled.put(small,list);
                    }
                }
            }
        }
        int result = 0;
        for (Object list : recycled.values()) {
            result += ((ArrayList)list).size();
        }
        return result;
    }

    private int move(int i, int j) {
        String whole = String.valueOf(i);
        String suffix = whole.substring(whole.length()-j);
        String prefix = whole.substring(0, whole.length()-j);
        return Integer.parseInt(suffix+prefix);
    }

    private int nbDigits(int j) {
        return String.valueOf(j).length();

    }
}
