import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

class RecycledNumbers{
	
	
	
	int getcount(int small,int large){
		int count = 0;
		for(int currnum = small; currnum < large; currnum++){
			int permut = currnum;
			int no_of_digits = 0;
			while(permut > 0){
				permut = permut/10;
				no_of_digits++;
			}
			int lastDigit = currnum % 10;
			permut = currnum / 10;
			permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
			while(permut != currnum){
				
				if(permut >= currnum && permut <= large){
					
					count++;
				}
				lastDigit = permut % 10;
				permut = permut / 10;
				permut = permut + lastDigit * (int)Math.pow(10, no_of_digits-1);
				
			}
			
		}
		
		return count;
	}
	
	public static void main(String args[]){
		RecycledNumbers d = new RecycledNumbers();
		
		int no_of_cases = 0;
		String input = "";
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		try{
			no_of_cases = Integer.parseInt(br.readLine());
		}
		catch(Exception e){
			System.out.println("First line is not a number");
		}
		
		for(int i=1; i <= no_of_cases;i++){
			try{
				input = br.readLine();
			}
			catch(Exception e){
				System.out.println("Number of test cases different from the number mentioned in first line");
			}
			
			System.out.print("Case #" +i+": ");
			
			StringTokenizer t =  new StringTokenizer(input);
			int small=0,large=0;
			if(t.hasMoreTokens()){
				small = Integer.parseInt(t.nextToken());
			}
			if(t.hasMoreTokens()){
				large = Integer.parseInt(t.nextToken());
			}
			System.out.println(d.getcount(small,large));
			
		}
		
		
		

	}
	
	
}
package com.gnooo;

import java.util.HashMap;
import java.util.Scanner;

public class Solution {
	static final boolean DBG = false;

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();

		long dStart = System.currentTimeMillis();

		StringBuilder sb = new StringBuilder();
		for (int i = 1; i <= T; i++) {
			OneTask task = new OneTask(sc.nextInt(), sc.nextInt());
			long res = task.getSolution();
			sb.append("Case #");
			sb.append(i);
			sb.append(": ");
			sb.append(res);
			sb.append('\n');
		}

		if (DBG) {
			sb.append("time :");
			sb.append(System.currentTimeMillis() - dStart);
		}
		System.out.print(sb.toString());

	}

	static class OneTask {
		long a, b;

		public OneTask(long a, long b) {
			this.a = a;
			this.b = b;
		}

		long getSolution() {
			long c = 0;

			for (long i = a; i < b; i++) {
				c += numberHasRecycledPairs(a, b, i);
			}
			return c;
		}

	}

	static long numberHasRecycledPairs(long min, long max, long no) {
		String str = String.valueOf(no);

		final int len = str.length();
		int res = 0;
		HashMap<Long, Integer> map = new HashMap<Long, Integer>();
		for (int i = 1; i < len; i++) {
			long tmp = Long.parseLong(str.substring(len - i)
					+ str.substring(0, len - i));
			if (min <= tmp && tmp <= max && tmp > no) {
				if (!map.containsKey(tmp)) {
					res++;
					map.put(tmp, 0);
				}
			}
		}

		return res;
	}
}
