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.codejam.practice;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

public class Recycled {
	public static void main(String[] args) {
		//File read & write variables
		File inputFile = new File("C:/Users/SNALLAMA/Desktop/C-small-attempt1.in");
		File outputFile = new File("C:/Users/SNALLAMA/Desktop/C-small-attempt1.out");
		String line = null;
		int t, a, b, noOfDigits, divider, localnumber;
		//long outNumber=0;
		Set<String> finalOP = new HashSet<String>();		
		
		try {
			BufferedReader bReader =  new BufferedReader(new FileReader(inputFile));
			BufferedWriter bWriter = new BufferedWriter(new FileWriter(outputFile));
			try {
				t = Integer.parseInt(bReader.readLine().trim());
				//System.out.println("No. Of Cases"+t);
				for(int index=0;index<t;index++) {
					line = bReader.readLine().trim();
					StringTokenizer st = new StringTokenizer(line, " ");
					a=Integer.parseInt(st.nextElement().toString());
					b=Integer.parseInt(st.nextElement().toString());
					noOfDigits=String.valueOf(a).length();
					finalOP=new HashSet<String>(); 
					if(noOfDigits!=1){						
						for(int i=a;i<=b;i++){
							for(int localIndex=1;localIndex<noOfDigits;localIndex++){
								divider=Integer.parseInt(String.valueOf((int)Math.pow(10, localIndex)));
								localnumber=Integer.parseInt(String.valueOf(i%divider)+String.valueOf(i/divider));
								if((String.valueOf(localnumber).length()==String.valueOf(i).length())&&(a<=i)&&(i<localnumber)&&(localnumber<=b)){
									if(!finalOP.contains(localnumber+" "+i))
										finalOP.add(i+" "+localnumber);
									//System.out.println(divider+" "+i);
								}
							}
						}
					}
					
					bWriter.write("Case #"+(index+1)+": "+finalOP.size());
					bWriter.write("\n");					
				}
			} catch(Exception e) {
				System.out.println("Exception Message: "+ e.getMessage());
				e.printStackTrace();
			}finally{
				bReader.close();
				bWriter.close();
			}
			
		} catch(Exception e) {
			System.out.println("Exception Message: "+ e.getMessage());
			e.printStackTrace();
		} 				
	}

}
