import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;

public class Recycled {
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            int t = Integer.parseInt(br.readLine());
            for (int i = 0; i < t; i++) {
                String[] str = br.readLine().split(" ");
                int a = Integer.parseInt(str[0]);
                int b = Integer.parseInt(str[1]);
                System.out.println("Case #" + (i + 1) + ": " + find(a, b));
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static int find(int a, int b) {
        HashSet<Long> used = new HashSet<Long>();
        int digits = String.valueOf(a).length();
        if (digits == 1) return 0;
        for (int i = a; i <= b; i++) {
            int s = 10;
            int m = (int) Math.pow(10, digits-1);
            for (int j = 0; j < digits-1; j++) {
                int r = i % s;
                if (r < s/10) continue;
                int q = i / s;
                int rn = r * m + q;
                s *= 10; m /= 10;
                if (i != rn && rn >= a && rn <= b) {
                    long pp;
                    if (rn < i) pp = (long)rn << 30 | i;
                    else pp = (long)i << 30 | rn;
                    if (!used.contains(pp)) {
                        used.add(pp);
                    }
                }
            }
        }
        return used.size();
    }
}

package com.theblind.problem;

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

import com.theblind.utility.FileUtility;

public class RecycledNumbers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner in = new Scanner(System.in);
		String inputFileName = in.next();
		String inputData = FileUtility.readFromFile(inputFileName);
		
		RecycledNumbers problem = new RecycledNumbers();
		String content = problem.solve(inputData);
		
		FileUtility.writeToFile("output.txt", content);
	}

	private String solve(String inputData) {
		// TODO Auto-generated method stub
		Scanner in = new Scanner(inputData);
		StringBuilder sb = new StringBuilder();
		
		int testCases = in.nextInt();
		for (int i = 1; i <= testCases; ++i) {
			sb.append("Case #" + i + ": ");
			
			int A = in.nextInt();
			int B = in.nextInt();
			sb.append(calculate(A, B));
			sb.append("\n");
		}
		return sb.toString();
	}

	private int calculate(int A, int B) {
		// TODO Auto-generated method stub
		int result = 0;
		String b = Integer.toString(B);
		for (int i = A; i < B; ++i) {
			String n = Integer.toString(i);
			HashSet<String> numbers = new HashSet<String>(); 
			for (int k = 1; k < n.length(); ++k) {
				String m = n.substring(k) + n.substring(0, k);
				if (numbers.contains(m)) {
					continue;
				}
				else {
					numbers.add(m);
				}
				
				if (m.compareTo(n) > 0 && m.compareTo(b) <= 0) {
					++result;
				}
			}
		}
		return result;
	}

}
