import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;
import java.util.TreeSet;


public class CJ_2012_Q_C {
	
	public static void main(String[] args) throws IOException {
		Scanner in = new Scanner(new File("cj_files/in"));
		FileWriter w = new FileWriter(new File("cj_files/out"));
		
		int cases = in.nextInt();
		int a, b, numDigits, count, newNum;
		String oStr, nStr;
		TreeSet<Integer> numbers = new TreeSet<Integer>();
		
		for(int i = 1; i <= cases; i++) {
			a = in.nextInt();
			b = in.nextInt();
			numDigits = (a + "").length();
			count = 0;
			for(int j = a; j < b; j++) {
				oStr = j + "";
				numbers.clear();
				for(int k = 1; k < numDigits; k++) {
					nStr = oStr.substring(numDigits - k) + oStr.substring(0, numDigits - k);
					newNum = Integer.parseInt(nStr);
					if(newNum > j && newNum <= b) {
						numbers.add(newNum);
					}
				}
				count += numbers.size();
			}
			
			w.write(String.format("Case #%d: %d\n", i, count));
		}
		
		w.close();
	}
}
