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;
	}
}
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package rotatematrix;
import java.io.*;
/**
 *
 * @author FARHAN
 */
public class Main {

    /**
     * @param args the command line arguments
     */


    public static void main(String[] args) throws FileNotFoundException, IOException{
        // TODO code application logic here
      FileInputStream fstream = new FileInputStream("D:/test.in");
  // Get the object of DataInputStream
  DataInputStream in = new DataInputStream(fstream);
  BufferedReader br = new BufferedReader(new InputStreamReader(in));
  String strLine;
  //Read File Line By Line
 Combination c = new Combination();
 
  while ((strLine = br.readLine()) != null)   {
  // Print the content on the console
       int testCaseCount = Integer.parseInt(strLine);

       for(int i=0;i<testCaseCount;i++){
       strLine = br.readLine();
     String [] strArray = strLine.split(" ");

      int result= c.Tranverse(Integer.parseInt(strArray[0]), Integer.parseInt(strArray[1]));
           System.out.println("Case #"+(i+1)+": "+result);
      }

  }

 // System.out.println (strLine);
  
  //Close the input stream
  in.close();
   



    }

}
