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.taskA;

import java.util.HashMap;
import java.util.Map;

import Parser.MyReader;
import Parser.MyWriter;

public class Main {
	public static void main(String[] args) {
		MyReader myReader = new MyReader(
				"/Users/shami13/Downloads/A-small-attempt0.in");
		MyWriter myWriter = new MyWriter("/Users/shami13/Downloads/A-small-attempt0.out");
		
		Map<Character, Character> dictionary = createDictionary();

		int taskLength = Integer.parseInt(myReader.read());

		
		for (int i = 1; i <= taskLength; i++) {
			String taskString = myReader.read();
			Task task = new Task(dictionary);
			String result = task.execute(taskString);
			myWriter.writeString("Case #" + i + ": " + result);
			System.out.println("Case #" + i + ": " + result);
		}
		myWriter.close();
	}

	private static Map<Character, Character> createDictionary() {
		Map<Character, Character> result = new HashMap<Character, Character>();
		result.put('q', 'z');
		result.put('z', 'q');
		
		
		String[] originals = { "ejp mysljylc kd kxveddknmc re jsicpdrysi",
				"rbcpc ypc rtcsra dkh wyfrepkym veddknkmkrkcd",
				"de kr kd eoya kw aej tysr re ujdr lkgc jv" };

		String[] results = { "our language is impossible to understand",
				"there are twenty six factorial possibilities",
				"so it is okay if you want to just give up" };
	
		for(int i = 0; i < originals.length; i++){
			for(int p = 0; p < originals[i].length(); p++){
				if (!result.containsKey(originals[i].charAt(p))){
					result.put(originals[i].charAt(p), results[i].charAt(p));
				}
			}
		}
		
		return result;
	}
}
