import java.util.HashSet;
import java.util.Scanner;

public class C {

	static HashSet p = new HashSet();
	static int low;
	static int high;
	int count = 0;

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int no = sc.nextInt();

		for (int i = 1; i <= no; i++) {

			p.clear();
			low = sc.nextInt();
			high = sc.nextInt();

			for (int l = low; l <= high; l++) {
				recycle(l);
			}
			System.out.println("Case #" + i + ": " + p.size());

		}
	}

	public static void recycle(int no) {

		String s = Integer.toString(no);
		for (int i = 0; i < s.length(); i++) {
			String rec = s.substring(i) + s.substring(0, i);
			int r = Integer.parseInt(rec);
			if (r != no && r >= low && r <= high) {
				int min = Math.min(r, no);
				int max = Math.max(r, no);
				String a = Integer.toString(min) + "" + Integer.toString(max);
				p.add(a);

			}
		}

	}
}

package com.clausewitz.codejam.qr2012;

import java.io.IOException;
import java.util.StringTokenizer;

import com.clausewitz.codejam.Solver;

public class Recycled extends Solver {
	private int A = 0;
	private int B = 0;
	@Override
	public void readProblem() throws IOException {
		String line = fileIn.readLine();
		StringTokenizer st = new StringTokenizer(line);
		A = Integer.parseInt(st.nextToken());
		B = Integer.parseInt(st.nextToken());
	}

	@Override
	public void algorithm(int idx) {
		int count = 0;
		
		for(int i=A;i<=B;++i) {
			String original = "" + i;
			String candidate = original;

			while(true) {
				candidate = rotate(candidate);
				if(candidate.equalsIgnoreCase(original)) break;
				int n = Integer.parseInt(candidate);
				if(n>=A && n<=B) ++count;
			}
		}
		
		answer[idx] = "" + count/2;
	}

	private String rotate(String s) {
		if(s.length()==1) return s;
		return s.substring(1, s.length()) + s.charAt(0);
	}
}
