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.IOException;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Scanner;

public class Recycled {

	public static void main(String[] args) throws IOException{
		Scanner sc = new Scanner(new File("recycled.in"));
		System.setOut(new PrintStream(new File("recycled.out")));
		int T = sc.nextInt();
		HashSet<String> p;
		int A,B;
		String sA,sB,sN;
		for(int set=1; set<=T; set++){
			A = sc.nextInt();
			B = Integer.parseInt(sB = sc.next());
			char max = sB.charAt(0);
			p = new HashSet<String>((B-A)*4,.99f);
			for(int n=A; n<B+1; n++){
				sN = n+"";
				int size = sN.length();
				for(int j = 1; j<size; j++){
					if(sN.charAt(j)>max)
						continue;
					String sM = sN.substring(j)+sN.substring(0,j);
					int m = Integer.parseInt(sM);
					if(A-m<1 && m-B<1 && n!=m){
						int small, large;
						if(n<m){
							small = n; large = m;
						}
						else{
							small = m; large = n;
						}
						p.add(small+" "+large);
					}
						
				}
			}
			System.out.println("Case #"+set+": "+p.size());
		}
	}

}