import java.io.*;
import java.math.BigInteger;
import java.util.*;

import org.jfree.data.function.PowerFunction2D;

public class r2a
{

	Map numMap = new HashMap();
    int output = 0;

    /**
     * @param args
     */
    public static void main(String[] args)
    {
        r2a mk = new r2a();
        try {
            FileInputStream fstream = new FileInputStream("d:/cjinput.txt");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String str;
            int i = 0;
            while ((str = br.readLine()) != null) {
            	int begin=0,end = 0;
                i++;
                if (i == 1)
                    continue;
                mk.numMap = new HashMap();
                StringTokenizer strTok = new StringTokenizer(str, " ");
                while (strTok.hasMoreTokens()) {
                	begin =  Integer.parseInt(((String) strTok.nextToken()));
                    end = Integer.parseInt(((String) strTok.nextToken()));
                }

                mk.evaluate(i, begin, end);

            }
            in.close();
        }
        catch (Exception e) {
            System.err.println(e);
        }

    }

    private void evaluate(int rowNum, int begin, int end)
    {
    	output=0;
    	for (int i = begin; i<= end; i++) {
    		if(numMap.containsKey(Integer.valueOf(i)))
    			continue;
    		List l = getPairElems(i);
    		if (l.size() > 0) {
    			Iterator itr = l.iterator();
    			int ctr = 0;
    			ArrayList tempList = new ArrayList();
    			while (itr.hasNext()) {
    				int next = ((Integer)itr.next()).intValue();
    				if (next <= end && next > i) {
    					numMap.put(Integer.valueOf(next), i);
    					tempList.add(next);
    					ctr++;
    				}
    			}
    			ctr = getCounter(ctr+1,2);
/*    			if (tempList.size() > 0 || ctr > 0)
    				System.out.println("DD: " + i + ": " + tempList +" ; ctr = " + ctr);*/
    			output = output + ctr;
    		}
    		
    	}

        String outputStr = "Case #" + (rowNum -1) + ": " + output;
        
        System.out.println(outputStr);
    }

	private int getCounter(int n, int r) {
		int ret = 1;
		int nfactorial =1;
		for (int i = 2; i<=n; i++) {
			nfactorial = i*nfactorial;
		}
		int nrfact =1;
		for (int i = 2; i<=n-r; i++) {
			nrfact = i*nrfact;
		}
		
		return nfactorial/(2*nrfact);
	}

	private ArrayList getPairElems(int num) {
		ArrayList retList = new ArrayList();
		int temp = num;
		if (num/10 == 0)
			return retList;
		
		String str = String.valueOf(num);
		
		int arr[] = new int[str.length()];
		int x = str.length();
		while (temp/10 > 0) {
			arr[x-1] = temp%10;
			temp=temp/10;
			x--;
		}
		arr[0]=temp;
		
		int size = arr.length;
		for (int pos = size -1; pos >0; pos--) {
			if(arr[pos] == 0)
				continue;
			int pairNum = 0;
			int multiplier =1;
			for (int c=0; c < size-1; c++) {
				multiplier = multiplier*10;
			}
			pairNum = pairNum + (arr[pos]*multiplier);
			for(int ctr = pos+1, i=1; i < size; i++,ctr++) {
				if (ctr == size)
					ctr=0;
				if (multiplier!=1)
					multiplier=multiplier/10;
				pairNum = pairNum + (arr[ctr]*multiplier);
			}
			if (pairNum != num)
				retList.add(Integer.valueOf(pairNum));			
		}
		
		return retList;
	}
}

package com.g0414.c;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;

public class Problem {
	public final String FILE_PATH = "C:/data/workspace/googleCodeJam/src/" + "com/g0414/c/";
	// public final String FILE_BASE = "B-large";
	public final String INPUT_FILE = FILE_PATH + "C-large.in";
	public final String OUTPUT_FILE = 
			INPUT_FILE.substring(0, INPUT_FILE.lastIndexOf('.')) + ".txt";
	
	long testN = -1;
	ArrayList<Test> testList = new ArrayList<Test>();
	
	public static void main(String[] args) {
		try {
			Problem p = new Problem();
			p.init();
			p.printResult();
			p.end();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	public void printResult() throws ProblemException {
		long i = 1;
		for (Test p : testList) {
			print("Case #" + i + ": " + p.check());
			i++;
		}
	}
	
	public static boolean flag = true;
	FileWriter outputFile = null;
	public void print(String str) throws ProblemException {
		try {
			// t@CÌíAt@CÌVKI[v
			if (flag) {
				flag = false;
				File fw01 = new File(OUTPUT_FILE);
				fw01.delete();
				outputFile = new FileWriter(OUTPUT_FILE, true);
			}
			outputFile.write(str + "\r\n");
			System.out.println(str);
		} catch (IOException e) {
				throw new ProblemException(e.getMessage(),e);
		}
	}
	
	public void end() throws ProblemException {
		try {
			outputFile.close();
		} catch (IOException e) {
			throw new ProblemException(e.getMessage(),e);
		}
	}
	
	public void init() throws ProblemException {
		try {
			FileReader in = new FileReader(INPUT_FILE);
			BufferedReader br = new BufferedReader(in);
			String line;
			testN = Long.parseLong(br.readLine());
			while ((line = br.readLine()) != null) {
				String[] ch = line.split(" ");
				System.out.println(line);
				ch = line.split(" ");
				long a = Long.parseLong(ch[0]);
				long b = Long.parseLong(ch[1]);
				Test test = new Test(a,b);
				testList.add(test);
			}
			br.close();
			in.close();
		} catch (IOException e) {
			System.out.println(e);
			throw new ProblemException(e.getMessage(),e);
		}
	}
	
	public class ProblemException extends Exception {
		private static final long serialVersionUID = 2080823058826051635L;
		public ProblemException(String message) {
			super(message);
		}
		public ProblemException(String message, Throwable e) {
			super (message, e);
		}
	}

	// ±±æèãÍú»Æ©t@CB
	// ±±æèºÍASY
	
	public class Test {
		long a = -1;
		long b = -1;
		
		public Test (long a, long b) {
			this.a = a;
			this.b = b;
		}
		
		public String check () {
			HashMap<Long, AB> map = new HashMap<Long, AB> ();
			for (long i = a; i <= b; i++) {
				long small = getSmall(i);
				AB newAB = new AB(small);
				AB ab = map.get(small);
				if (ab == null){
					map.put(small, newAB);
				} else {
					ab.plus();
				}
			}
			long result = 0;
			for (long small : map.keySet()) {
				AB ab = map.get(small);
				if (ab.getN() == 1) {
					continue;
				}
				long kumi = ab.getN() * (ab.getN() - 1) / 2;
				result += kumi;
				/*
				System.out.println("ab=" + ab.getN() + ", " + ab.getSmall() +
						", kumi=" + kumi);
				*/
			}
			return "" + result;
		}

		private long getSmall (long hoge) {
			long ret = 0;
			long keta = getKeta(hoge);
			ret = hoge;
			for (int i = 0; i < keta; i++) {
				hoge = hoge % 10 * kaijo10(keta-1) + hoge / 10;
				if (hoge < ret) {
					ret = hoge;
				}
			}
			
			return ret;
		}
		
		/**
		 * @param keta
		 * @return output = 10 ^ input
		 */
		private long kaijo10 (long keta) {
			long ret = 1;
			for (int i = 0; i < keta; i ++) {
				ret *= 10;
			}
			return ret;
		}
		
		/**
		 * @param hoge
		 * @return ^¦çê½ÌðÔ·B
		 */
		private long getKeta (long hoge) {
			if (hoge == 0){
				return 0;
			} else {
				return getKeta(hoge / 10) + 1;
			}
		}
		
		@Override
		public String toString() {
			// String list = " ";
			return "(" + a + "," + b + ")";
		}
	}
	
	public class AB {
		long small;
		long n = 1;
		public AB (long small) {
			this.small = small;
		}
		public long getSmall() {
			return small;
		}
		public long getN() {
			return n;
		}
		public void plus() {
			n ++;
		}
		
		@Override
		public boolean equals(Object o) {
			AB ab = (AB) o;
			return (small == ab.getSmall());
		}
		
		@Override
		public int hashCode () {
			return (int)small;
		}
	}
	/*
	 * 
Case #1: 1
Case #2: 256
Case #3: 4
Case #4: 674
Case #5: 461
	 * 
	 */
}
