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.google.recyclednumbers;

import java.util.Scanner;

import com.google.util.FileUtil;

public class RecycledNumbers {

	public static void main(String[] args) {
		String orgFilePath = "E:\\Google_Jam\\RecycledNumbers\\C-large.in";
		Scanner scanner = FileUtil.openFile(orgFilePath);
		StringBuilder sb = new StringBuilder();
		int caseNum = Integer.valueOf(scanner.nextLine());
		for (int i = 0; i < caseNum; i++) {
			sb.append("Case #" + (i + 1) + ": ");
			int n = 0;
			 int a = scanner.nextInt();
			 int b = scanner.nextInt();
			/*int a = 1111;
			int b = 2222;*/
			if (b <= 20) {
				n = 0;
				sb.append(n);
				sb.append("\n");
				continue;
			} else {
				for (int k = a; k <= b; k++) {
					String left = String.valueOf(k);
					int length = left.length();// ×ó±ßÊýµÄÎ»Êý
					int temp = 0;// ÓÃÓÚ¼ÇÂ¼ÄÜ×ª»»³öÀ´µÄÊýµÄ¸öÊý
					int[] tempCase = new int[20];
					for (int j = 0; j < length; j++) {
						String sub1 = left.substring(0, j + 1);
						String sub2 = left.substring(j + 1, length);
						String newNum = sub2 + sub1;
						int right = Integer.valueOf(newNum);			
						if (right <= b && k < right) {
							if (temp == 0) {
								n++;
								tempCase[temp] = right;
								temp++;
							} else {
								int p;
								for (p = 0; p < temp && tempCase[p] != right; p++);
								if (p == temp) {
									tempCase[temp] = right;
									temp++;
									n++;
								}
							}
							//System.out.println(k + "&&" + right);
							//sb.append(k + "&&" + right);
							//sb.append("\n");
						}
					}
				}
			}
			sb.append(n);
			sb.append("\n");
		}
		FileUtil.writeFile(sb, "RecycledNumbers\\large.in");
	}
}
