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 CJ2;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.StringTokenizer;

public class Recycle {
	
	static LinkedList<LinkedList<Integer>> db2 = new LinkedList<LinkedList<Integer>>();
public static void main(String [] args){
		
		BufferedReader br = null;
		String line="";
		if(args.length != 1){
			System.out.println("please input test file name as a command line argument");
			System.exit(0);
		}
		try{
			br = new BufferedReader(new FileReader(args[0]));
			line = br.readLine();
		} catch (IOException e) {
			e.printStackTrace();
		}
		int numOfTests = Integer.parseInt(line);
		BufferedWriter bw = null;
		try{
			FileWriter fw = new FileWriter("resultsM.txt");
			bw = new BufferedWriter(fw);
		}catch(IOException e){
			e.printStackTrace();
		}
		for(int i = 0; i < numOfTests ; i++){
			try{
				line = br.readLine();
				bw.write("Case #"+(i+1)+": ");
				bw.flush();
				bw.write(String.valueOf(checkPairs(line)));
				bw.flush();
				bw.newLine();
				bw.flush();
			}catch(IOException e){
				e.printStackTrace();
			}
		}
	}
	public static int checkPairs(String input){
		
		StringTokenizer tok = new StringTokenizer(input);
		int minRange = Integer.parseInt(tok.nextToken());
		int maxRange = Integer.parseInt(tok.nextToken());
		int digits=0;
		int tmp = minRange;
		while(tmp!=0){
			tmp/=10;
			digits+=1;
		}
		db2 = new LinkedList<LinkedList<Integer>>();
		int counter = 0;
		for(int i = minRange ; i <= maxRange ; i++){
			for(int j = 1; j < digits ; j++){
				tmp = rotate(i,j,digits);
				
				if(tmp <= maxRange && tmp >= minRange && tmp != i){
					if(checkExists2(i,tmp))
						counter++;
				}
			}
		}
		
		return counter;
	}
	public static int rotate(int toRotate, int times, int length){
		
		String rotation = String.valueOf(toRotate);
		for(int i=0;i<times;i++){
			
			rotation = rotation.charAt(length-1)+rotation.substring(0,length-1);
		}
		return Integer.parseInt(rotation);
	}
	
	public static boolean checkExists2(int base, int rotated){
		LinkedList<Integer> pair = new LinkedList<Integer>();
		if(base > rotated){
			pair.add(rotated);
			pair.add(base);
		}else{
			pair.add(base);
			pair.add(rotated);
		}
		if(db2.contains(pair)){
			return false;
		}else{
			db2.add(pair);
			return true;
		}
	}
	
	
}
