import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class CopyOfCopyOfMain {

	static int ndigits(int n) {
		return (int) (Math.log10(n) + 1);
	}

	static int rot(int n, int dig) {
		return (int) ((n % 10) * Math.pow(10, dig - 1)) + (int) (n / 10);
	}

	public static void main(String[] args) throws FileNotFoundException {
		String file = "C-large";
		Scanner in = new Scanner(new File(file + ".in"));
		PrintWriter out = new PrintWriter(new File(file + ".out"));

		int T = in.nextInt();
		for (int t = 1; t <= T; t++) {
			int A = in.nextInt();
			int B = in.nextInt();

			int c = 0;
			int[] list = new int[ndigits(B)];
			numbers: for (int i = A; i <= B; i++) {
				int digs = ndigits(i);
				int rot = i;
				int pairs = 0;

				Arrays.fill(list, -1);
				list[0] = i;

				digits: for (int j = 1; j <= digs + 1; j++) {

					rot = rot(rot, digs);
					if(rot < i)
						continue;

					if (A <= rot && rot <= B) {
						for (int k = 0; k < j; k++) {
							if (list[k] == rot) {
								continue digits;
							}
						}
						pairs++;
						list[j] = rot;
					}
				}

				//c += pairs * (pairs + 1) / 2;
				c += pairs ;
				// c+=digs;
			}
			out.println("Case #" + t + ": " + c);
		}

		in.close();
		out.close();
	}
}

package qualification;

import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Scanner;

public class C {
	public static void main(String[] Args) throws IOException {
		Scanner sc = new Scanner(new FileReader("C-small.in"));
		PrintWriter pw = new PrintWriter(new FileWriter("output.txt"));
		
		int caseCnt = sc.nextInt();
//		int caseCnt=1;
		for (int caseNum=1; caseNum <= caseCnt; caseNum++) {
			System.out.println(caseNum);
			int A=sc.nextInt();
			int B=sc.nextInt();
//			int A = 1234567;
//			int B =1234567;
			HashMap<Integer, LinkedList<Integer>> visited = new HashMap<Integer, LinkedList<Integer>>();
			long total=0;
			for(int i=A;i<=B;i++){
				if(!visited.containsKey(i))
					visited.put(i, new LinkedList<Integer>());
				String stringI=String.valueOf(i);
				for(int j=1;j<stringI.length();j++) {
					String test = stringI.substring(j)+stringI.substring(0, j);
					int testInt = Integer.parseInt(test);
					if(testInt>=A && testInt<=B && testInt!=i){
						if(!visited.containsKey(testInt))
							visited.put(testInt, new LinkedList<Integer>());
						if(!visited.get(testInt).contains(i)) {
							total++;
							visited.get(testInt).add(i);
							visited.get(i).add(testInt);
						}
					}
				}
			}
			System.out.println(total);
			pw.println("Case #" + caseNum + ": " + total);
		}
		
		pw.flush();
		pw.close();
		sc.close();
	}

}
