import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
//RECYCLED NUMBERS

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;

//Importing classes / interface from java.io pacckage to work with files

public class RecycledNumbers
{
	static boolean checkForNewM(int temp , int [] m , int totalMForThisN)
	{
		for(int i = 0 ; i < totalMForThisN ; i++)
		{
			if(temp == m[i])
			{
				return false;
			}
		}
		
		return true;
	}
	
	public static void main(String[] args)
	{
		try
		{
			// Open the input file
			FileInputStream fistream = new FileInputStream("C-small-attempt0.in");
			
			// Get the object of DataInputStream
			DataInputStream in = new DataInputStream(fistream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			
			//Create output file
			File file = new File("output.out");
			boolean exist = file.createNewFile();
			
			if (!exist)
			{
				System.out.println("File already exists.");
				System.exit(0);
			}
			
			FileWriter fostream = new FileWriter("output.out");
			BufferedWriter out = new BufferedWriter(fostream);
			
			int counterCases = 0;		//Counter purpose
			
			//Read File Line By Line
			int totalNumberOfCases = 0;
			while ((strLine = br.readLine()) != null)
			{
				if(counterCases == 0)
				{
					//Ignore the first Line for Conversion
					totalNumberOfCases = Integer.parseInt(strLine);
					counterCases++;
					continue;
				}
				
				String[] results = strLine.split(" ");
				
				int A = Integer.parseInt(results[0]);
				int B = Integer.parseInt(results[1]);
				
				int counter = 0;
				
				for(int n = A ; n < B ; n++)
				{			
					String nTemp = "" + n;
					String mTemp;
					
					int totalMForThisN = 0;
					int [] m = new int [nTemp.length() - 1];
					
					for(int i= (nTemp.length() - 1) ; i >= 0 ; i--)
					{
						mTemp = nTemp.substring(i) + nTemp.substring(0,i);
						
						if(mTemp.startsWith("0"))
						{
							continue;
						}
						else
						{
							int temp = Integer.parseInt(mTemp);
							
							if(temp > n && temp <= B)
							{
								if(checkForNewM(temp, m, totalMForThisN))
								{
									m[totalMForThisN] = temp;
									totalMForThisN++;
									counter++;
								}
							}
						}
					}
				}
				// Print the content in the output file
				out.write("Case #" + counterCases + ": " + counter);
				
				if(counterCases < totalNumberOfCases)
				{
					out.write("\n");
				}
				counterCases++;
			}
			//Close the input stream
			in.close();

			//Close the output Stream
			out.close();
		}
		
		catch(Exception e)
		{
			//Catch exception if any
			System.err.println("Error: " + e.getMessage() + " : " + e);
		}
	}
}