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.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;


public class Recycle 
{
	public static void main(String[] args) throws IOException 
	{
		Scanner s = new Scanner(new File("C-small-attempt0.in"));
		FileWriter strm = new FileWriter("out1.txt");
		BufferedWriter out = new BufferedWriter(strm);
		int cases = s.nextInt();
		s.nextLine();
		int count = 1;
		while(count - 1 < cases)
		{
			int A = s.nextInt();
			int B = s.nextInt();
			out.write("Case #" + count + ": " + calc(A,B) + "\n");
			count++;
		}
		out.close();
	}
	private static int calc(int a, int b)
	{
		int count = 0;
		for(int i = a; i<=b;i++)
		{
			count+=numPairs(i,a,b);
		}
		return count;
	}
	private static int numPairs(int i,int a, int b)
	{
		char[] arr = Integer.toString(i).toCharArray();
		char[] newArr = new char[arr.length];
		ArrayList<Integer> list = new ArrayList<Integer>();
		int count = 0;
		for(int j= 1;j<arr.length;j++)
		{
			for(int k = 0;k<arr.length;k++)
			{
				newArr[k] = arr[(k+j)%arr.length];
			}
			int res = Integer.parseInt(String.copyValueOf(newArr));
			if(a <= i && i < res && res <=b && !list.contains(res))
			{
				count++;
				list.add(res);
			}
			for(int k = 0;k<arr.length;k++)
			{
				newArr[k] = arr[(arr.length-j+k)%arr.length];
			}
			res = Integer.parseInt(String.copyValueOf(newArr));
			if(a <= i && i < res && res <=b && !list.contains(res))
			{
				count++;
				list.add(res);
			}
		}

		return count;
	}
}
