import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t=sc.nextInt();
		int casos=1, a, b, n, m, cont;
		while(t!=0){
			a=sc.nextInt();
			b=sc.nextInt();
			if(a>b){
				int aux=a;
				a=b;
				b=aux;
			}
			System.out.printf("Case #%d: ",casos++);
			if(a==b){
				System.out.printf("%d\n",0);
			}else{
				cont=0;
				for(n=a;n<b;n++){					
					for(m=n+1;m<=b;m++){					
						if(isRecycled(n,m)) cont++;
					}
				}
				System.out.printf("%d\n",cont);
			}
			t--;
		}		
	}
	public static boolean isRecycled(int n1, int n2){
		String s1, s2, aux;
		s1 =  String.valueOf( n1 );
		s2 =  String.valueOf( n2 );		
		boolean r = false;		
		for(int i=0;i<s1.length();i++){
			aux="";
			aux=s1.substring(i,s1.length())+s1.substring(0,i);
//			System.out.println(aux);
			if(aux.equals(s2)){
				r=true;
				break;
			}
		}		
		return r;
	}
}

package qualification.taskC;

import Parser.MyReader;
import Parser.MyWriter;

public class Main {
	private final static int n = 1001;

	public static void main(String[] args) {
		MyReader myReader = new MyReader(
				"/Users/shami13/Downloads/C-small-attempt0.in");
		MyWriter myWriter = new MyWriter(
				"/Users/shami13/Downloads/C-small-attempt0.out");

		boolean[][] table = new boolean[n][n];

		for (int i = 1; i < n; i++) {
			for (int p = 1; p < n; p++) {
				table[i][p] = isRecycled(i, p);
			}
		}

		int taskLength = Integer.parseInt(myReader.read());
		for (int i = 1; i <= taskLength; i++) {
			String[] taskString = myReader.read().split(" ");
			Task task = new Task(Integer.parseInt(taskString[0]),
					Integer.parseInt(taskString[1]), table);
			String result = task.execute();
			myWriter.writeString("Case #" + i + ": " + result);
			System.out.println("Case #" + i + ": " + result);
		}
	}

	public static boolean isRecycled(int a, int b) {
		if (a != b) {

			String bString = "" + b;

			for (int i = 0; i < bString.length(); i++) {
				int temp = b % 10;
				b /= 10;
				for(int p = 1; p < bString.length(); p ++){
					temp *= 10;
				}
				b += temp;
				if (a == b) {
					return true;
				}
			}
		}
		return false;
	}
}
