package codejam;

import java.util.*;
import java.io.*;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

package com.vp.common;

public class CommonUtility {
	
	public static int[] convertStringArraytoIntArray(String[] sarray) {
		if (sarray != null) {
			int intarray[] = new int[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				intarray[i] = Integer.parseInt(sarray[i]);
			}
			return intarray;
		}

		return null;
	}
	
	public static float[] convertStringArraytoFloatArray(String[] sarray) {
		if (sarray != null) {
			float floatArray[] = new float[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				floatArray[i] = Float.parseFloat(sarray[i]);
			}
			return floatArray;
		}

		return null;
	}
	
	public static double[] convertStringArraytoDoubleArray(String[] sarray) {
		if (sarray != null) {
			double darray[] = new double[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				darray[i] = Double.parseDouble(sarray[i]);
			}
			return darray;
		}

		return null;
	}
	
	public static long[] convertStringArraytoLongArray(String[] sarray) {
		if (sarray != null) {
			long longarray[] = new long[sarray.length];
			for (int i = 0; i < sarray.length; i++) {
				longarray[i] = Long.parseLong(sarray[i]);
			}
			return longarray;
		}

		return null;
	}
	
	
	public static void print(int a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void printWithoutExtrLine(int a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
	}
	
	
	public static void print(float a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void print(double a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	

	public static void print(long a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}
	
	public static void print(String a[])
	{
		System.out.print("[ ");
		for (int i = 0; i < a.length; i++) {
			System.out.print(a[i] + ", ");
		}
		System.out.print(" ]");
		System.out.println("");
	}

}
