import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Scanner;
import java.util.TreeSet;

// Recycled Numbers
// https://code.google.com/codejam/contest/1460488/dashboard#s=p2

public class C {

	private static String process(Scanner in) {
		int A = in.nextInt();
		int B = in.nextInt();
		int res = 0;
		int len = Integer.toString(A).length();
		for(int n = A; n < B; n++) {
			String str = Integer.toString(n);
			TreeSet<Integer> set = new TreeSet<Integer>();
			for(int i = 1; i < len; i++) {
				int m = Integer.parseInt(str.substring(i, len) + str.substring(0, i));
				if ( m > n && m <= B && ! set.contains(m) ) {
					set.add(m);
					res++;
				}
			}
		}
		return Integer.toString(res);
	}

	public static void main(String[] args) throws Exception {
		Scanner in = new Scanner(System.in.available() > 0 ? System.in : 
			new FileInputStream(Thread.currentThread().getStackTrace()[1].getClassName() + ".practice.in"));
		int T = in.nextInt();
		for(int i = 1; i <= T; i++) 
			System.out.format("Case #%d: %s\n", i, process(in));
	}
}

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);
		}
	}

}
