import java.util.Scanner;
import java.io.*;
import java.lang.Math;


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}
package com.jam.google;

import java.util.List;

public class RecycledNumbers {

  public int count(int a, int b) {
    int pairCount = 0;
    for (int i = a; i <= b; i++) {
      int candidate = i;
      int j = 1;
      while( (candidate = recycle(i,j++) ) != i) {
        if (candidate > i && candidate <=b)
          pairCount++;
      }
    }
    return pairCount;
  }

  public int recycle(int i, int offset) {
    String string = String.valueOf(i);
    int answer = i;
    if (string.length()>1) {
      String recycledString = string.substring(string.length()-offset) + string.substring(0, string.length()-offset);
      answer = Integer.parseInt(recycledString);
    }
    return answer;
  }

  public void test() {
    InputUtil util = new InputUtil();
//    List<String> lines = util.readFile("test1.txt");
    List<String> lines = util.readFile("C-large.in");
//    int N = Integer.parseInt(lines.remove(0));
    int i = 1;
    for (String string : lines) {
      String[] split = string.split(" ");
      int count = count(Integer.parseInt(split[0]), Integer.parseInt(split[1]));
      System.out.println("Case #"+(i++)+": "+count);
    }
    
  }

  
}
