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;

import java.util.*;
import java.text.*;
import java.lang.*;

public class Recycle extends CodeJam {
	
	ArrayList<Pair> pairNumber;
	
	static public void main(String[] args) {
		Recycle codeCycle = new Recycle();

		codeCycle.init("D:\\work\\dev\\codejam\\bin\\codejam\\Recycle\\small.in", "D:\\work\\dev\\codejam\\bin\\codejam\\Recycle\\small.out");
		codeCycle.run();
		
	}
	
	public Recycle() {
		pairNumber = new ArrayList<Pair>();

	}
	
	
	public String getAnswer(String in) {
		pairNumber.clear();
		System.out.format("getAnswer:%s%n", in);
		String ret;
		StringTokenizer st = new StringTokenizer(in," ");
		Long start=0L, end=0L;
		if(st.hasMoreTokens()) {
				start = Long.parseLong(st.nextToken());
				end = Long.parseLong(st.nextToken());
			} 
		ret = String.format("%d", getCount(start,end));
//		int result = board.getBoardRow(yearMonth,monthDay,weekDay);
		return ret;
	}
	
	public long getCount(Long start, Long end) {
		long ret=0;
		long source=0, target=0;
		int loopCount = String.format("%d", start).length();
		Pair pair;
		for(source=start;source<end;source++) {
			target = source;
			for(int j=1;j<loopCount;j++) {
				target = rotate(target,loopCount);
				if(target>=start && target <= end && target != source) {
					pair = new Pair(target, source);
					int index=-1;
					for(int i=0;i<pairNumber.size();i++) {						
						if(pairNumber.get(i).equals(pair)){
							index = i;
							break;
						}						
					}
//					if(pairNumber.contains(pair)) {
					if(index>=0) {
						continue;		
					} else {
						ret++;
						pairNumber.add(pair);
					}
				}
			}
		}


		return ret;
	}
	
	
	public Long rotate(Long in,int strlen) {
		Long ret;
		String tmp;
		char[] zeros = new char[strlen];
	    Arrays.fill(zeros, '0');
	    // format number as String
	    DecimalFormat df = new DecimalFormat(String.valueOf(zeros));	    
		tmp = df.format(in);
		ret = Long.parseLong(String.format("%s%s", tmp.substring(1),tmp.substring(0, 1)));
//		System.out.format("%d->%d%n",in,ret);
		return ret;
	}
}

