import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class Q3M {
	public static void main(String[] args) throws Exception {
		compute();
	}

	private static void compute() throws Exception {
		BufferedReader br = new BufferedReader(new FileReader(new File(
				"C:\\work\\Q3\\C-small-attempt0.in")));
		String line = null;
		int i = Integer.parseInt(br.readLine());
		List l = new ArrayList();
		for (int j = 0; j < i; j++) {
			line = br.readLine();
			String[] nums = line.split(" ");
			l.add(calculate(nums));
		}
		writeOutput(l);
	}

	private static int calculate(String[] nums) {
		int min = Integer.parseInt(nums[0]);
		int max = Integer.parseInt(nums[1]);
		int count = 0;
		List l = new ArrayList();
		for (int i = min; i <= max; i++) {
			for (int times = 1; times < countDigits(i); times++) {
				int res = shiftNum(i, times);
				if (res <= max && i < res) {
					if ((!l.contains((i + ":" + res)))) {
						l.add(i + ":" + res);
						l.add(res + ":" + i);
						count++;
					}
				}
			}
		}
		return count;
	}

	private static boolean checkZeros(int temp, int res) {
		if (temp % 10 == 0 || res % 10 == 0)
			return false;
		return true;
	}

	private static int shiftNum(int n, int times) {
		int base = (int) Math.pow(10, times);
		int temp2 = n / base;
		int placeHolder = (int) Math.pow((double) 10,
				(double) countDigits(temp2));
		int res = placeHolder * (n % base) + temp2;
		if (countDigits(res) == countDigits(n)) {
			return res;
		} else {
			return 2000001;
		}
	}

	public static int countDigits(int x) {
		if (x < 10)
			return 1;
		else {
			return 1 + countDigits(x / 10);
		}
	}

	private static void writeOutput(List l) throws Exception {
		StringBuffer b = new StringBuffer();
		int i = 1;
		BufferedWriter br = new BufferedWriter(new FileWriter(new File(
				"C:\\work\\Q3\\ans.txt")));
		for (Iterator iterator = l.iterator(); iterator.hasNext();) {
			br.write("Case #" + i++ + ": " + iterator.next());
			br.newLine();
		}
		br.close();
	}

}
package codejam.recycled;

import codejam.is.TestAbstract;

import java.util.*;

/**
 * Created with IntelliJ IDEA.
 * User: ofer
 * Date: 4/14/12
 * Time: 2:41 AM
 * To change this template use File | Settings | File Templates.
 */
public class RecycledTest extends TestAbstract {
    @Override
    public void run(String s) {
        StringTokenizer tokenizer = new StringTokenizer(s);
        int min = Integer.parseInt(tokenizer.nextToken());
        int max = Integer.parseInt(tokenizer.nextToken());

        int tmp = max;
        int length = 0;
        while (tmp != 0) {
            tmp = tmp / 10;
            length++;
        }

        int resultCounter = 0;
        for (int i = min; i < max; i++) {
            int rotatedNum = i;
            Set<Integer> foundSet = new HashSet<Integer>();
            for (int j = 0; j < length-1; j++) {

                int end = rotatedNum / 10;
                int beginning = (int)Math.pow(10,length-1) * (rotatedNum%10);

                rotatedNum = beginning + end;
                if (rotatedNum > i && rotatedNum <= max && !foundSet.contains(rotatedNum)) {
                    foundSet.add(rotatedNum);
//                    output.append("\n");
//                    output.append(i);
//                    output.append("->");
//                    output.append(rotatedNum);
                    resultCounter++;
                }
            }
        }
        output.append(resultCounter);
    }
}
