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 QualificationRound;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;

public class RecycledNumbers {
	
	public static void main(String[] args) throws Exception {
		System.setIn(new FileInputStream("recyclednumbers.in"));
		System.setOut(new PrintStream("recyclednumbers.out"));
		
		BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
		
		int T = Integer.parseInt(bf.readLine());
		for(int t = 1; t <= T; t++) {
			System.out.print("Case #" + t + ": ");
			
			String[] parts = bf.readLine().trim().split("[ ]+");
			int from = Integer.parseInt(parts[0]);
			int to = Integer.parseInt(parts[1]);
			
			boolean[] explored = new boolean[to - from + 1];
			
			long result = 0l;
			for(int i = from; i <= to; i++) {
				if(explored[i - from]) continue;
				
				long count = 0L;
				String s = Integer.toString(i);
				int length = s.length();
				for(int j = 0; j < length; j++) {
					s = s.substring(s.length() - 1) + s.substring(0, s.length() - 1);
					if(s.charAt(0) == '0') continue;
					
					int n = Integer.parseInt(s);
					if(n < from || n > to) continue;
					if(explored[n - from]) continue;
					explored[n - from] = true;
					count++;
				}
				
				result += count * (count - 1l) / 2l;
			}
			
			System.out.println(result);
		}
	}

}
